| 1 | /* stdlib.h,v 1.24 2004/09/14 22:27:36 bird Exp */
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| 2 | /** @file
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| 3 | * FreeBSD 5.3
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| 4 | * @changed bird: EMXifications and OS2ifications.
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| 5 | */
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| 6 |
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| 7 | /*-
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| 8 | * Copyright (c) 1990, 1993
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| 9 | * The Regents of the University of California. All rights reserved.
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| 10 | *
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| 11 | * Redistribution and use in source and binary forms, with or without
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| 12 | * modification, are permitted provided that the following conditions
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| 13 | * are met:
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| 14 | * 1. Redistributions of source code must retain the above copyright
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| 15 | * notice, this list of conditions and the following disclaimer.
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| 16 | * 2. Redistributions in binary form must reproduce the above copyright
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| 17 | * notice, this list of conditions and the following disclaimer in the
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| 18 | * documentation and/or other materials provided with the distribution.
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| 19 | * 3. All advertising materials mentioning features or use of this software
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| 20 | * must display the following acknowledgement:
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| 21 | * This product includes software developed by the University of
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| 22 | * California, Berkeley and its contributors.
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| 23 | * 4. Neither the name of the University nor the names of its contributors
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| 24 | * may be used to endorse or promote products derived from this software
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| 25 | * without specific prior written permission.
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| 26 | *
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| 27 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 28 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 29 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 30 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 31 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 32 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 33 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 34 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 35 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 36 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 37 | * SUCH DAMAGE.
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| 38 | *
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| 39 | * @(#)stdlib.h 8.5 (Berkeley) 5/19/95
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| 40 | * $FreeBSD: src/include/stdlib.h,v 1.56 2004/02/23 03:16:58 ache Exp $
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| 41 | */
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| 42 |
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| 43 | #ifndef _STDLIB_H_
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| 44 | #define _STDLIB_H_
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| 45 |
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| 46 | #include <sys/cdefs.h>
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| 47 | #include <sys/_null.h>
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| 48 | #include <sys/_types.h>
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| 49 |
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| 50 | #if __BSD_VISIBLE
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| 51 | #ifndef _RUNE_T_DECLARED
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| 52 | typedef __rune_t rune_t;
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| 53 | #define _RUNE_T_DECLARED
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| 54 | #endif
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| 55 | #endif
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| 56 |
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| 57 | #if !defined(_SIZE_T_DECLARED) && !defined(_SIZE_T) /* bird: emx */
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| 58 | typedef __size_t size_t;
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| 59 | #define _SIZE_T_DECLARED
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| 60 | #define _SIZE_T /* bird: emx */
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| 61 | #endif
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| 62 |
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| 63 | #ifndef __cplusplus
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| 64 | #if !defined(_WCHAR_T_DECLARED) && !defined(_WCHAR_T) /* bird: emx */
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| 65 | typedef __wchar_t wchar_t;
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| 66 | #define _WCHAR_T_DECLARED
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| 67 | #define _WCHAR_T /* bird: emx */
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| 68 | #endif
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| 69 | #endif
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| 70 |
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| 71 | typedef struct _div_t { /* bird: emx (tag) */
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| 72 | int quot; /* quotient */
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| 73 | int rem; /* remainder */
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| 74 | } div_t;
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| 75 |
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| 76 | typedef struct _ldiv_t { /* bird: emx (tag) */
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| 77 | long quot;
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| 78 | long rem;
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| 79 | } ldiv_t;
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| 80 |
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| 81 | #define EXIT_FAILURE 1
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| 82 | #define EXIT_SUCCESS 0
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| 83 |
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| 84 | #define RAND_MAX 0x7fffffff
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| 85 |
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| 86 | extern int __mb_cur_max;
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| 87 | #define MB_CUR_MAX __mb_cur_max
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| 88 |
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| 89 | __BEGIN_DECLS
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| 90 | void abort(void) __dead2;
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| 91 | int abs(int) __pure2;
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| 92 | int atexit(void (*)(void));
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| 93 | double atof(const char *);
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| 94 | int atoi(const char *);
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| 95 | long atol(const char *);
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| 96 | void *bsearch(const void *, const void *, size_t,
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| 97 | size_t, int (*)(const void *, const void *));
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| 98 | void *calloc(size_t, size_t);
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| 99 | div_t div(int, int) __pure2;
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| 100 | void exit(int) __dead2;
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| 101 | void free(void *);
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| 102 | char *getenv(const char *);
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| 103 | long labs(long) __pure2;
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| 104 | ldiv_t ldiv(long, long) __pure2;
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| 105 | void *malloc(size_t);
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| 106 | int mblen(const char *, size_t);
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| 107 | size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t);
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| 108 | int mbtowc(wchar_t * __restrict, const char * __restrict, size_t);
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| 109 | void qsort(void *, size_t, size_t,
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| 110 | int (*)(const void *, const void *));
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| 111 | int rand(void);
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| 112 | void *realloc(void *, size_t);
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| 113 | void srand(unsigned);
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| 114 | double strtod(const char * __restrict, char ** __restrict);
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| 115 | float strtof(const char * __restrict, char ** __restrict);
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| 116 | long strtol(const char * __restrict, char ** __restrict, int);
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| 117 | long double
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| 118 | strtold(const char * __restrict, char ** __restrict);
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| 119 | unsigned long
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| 120 | strtoul(const char * __restrict, char ** __restrict, int);
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| 121 | int system(const char *);
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| 122 | int wctomb(char *, wchar_t);
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| 123 | size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t);
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| 124 |
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| 125 | /*
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| 126 | * Functions added in C99 which we make conditionally available in the
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| 127 | * BSD^C89 namespace if the compiler supports `long long'.
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| 128 | * The #if test is more complicated than it ought to be because
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| 129 | * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long'
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| 130 | * is not supported in the compilation environment (which therefore means
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| 131 | * that it can't really be ISO C99).
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| 132 | *
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| 133 | * (The only other extension made by C99 in thie header is _Exit().)
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| 134 | */
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| 135 | #if __ISO_C_VISIBLE >= 1999
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| 136 | #ifdef __LONG_LONG_SUPPORTED
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| 137 | /* LONGLONG */
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| 138 | typedef struct _lldiv_t { /* bird: emx (tag) */
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| 139 | long long quot;
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| 140 | long long rem;
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| 141 | } lldiv_t;
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| 142 |
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| 143 | /* LONGLONG */
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| 144 | long long
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| 145 | atoll(const char *);
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| 146 | /* LONGLONG */
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| 147 | long long
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| 148 | llabs(long long) __pure2;
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| 149 | /* LONGLONG */
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| 150 | lldiv_t lldiv(long long, long long) __pure2;
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| 151 | /* LONGLONG */
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| 152 | long long
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| 153 | strtoll(const char * __restrict, char ** __restrict, int);
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| 154 | /* LONGLONG */
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| 155 | unsigned long long
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| 156 | strtoull(const char * __restrict, char ** __restrict, int);
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| 157 | #endif /* __LONG_LONG_SUPPORTED */
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| 158 |
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| 159 | void _Exit(int) __dead2;
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| 160 | #endif /* __ISO_C_VISIBLE >= 1999 */
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| 161 |
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| 162 | /*
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| 163 | * Extensions made by POSIX relative to C. We don't know yet which edition
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| 164 | * of POSIX made these extensions, so assume they've always been there until
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| 165 | * research can be done.
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| 166 | */
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| 167 | #if __POSIX_VISIBLE /* >= ??? */
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| 168 | int posix_memalign(void **, size_t, size_t); /* bird: we implement this. */
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| 169 | int rand_r(unsigned *); /* (TSF) */
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| 170 | int setenv(const char *, const char *, int);
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| 171 | int unsetenv(const char *); /* bird: standard saith shall return int. */
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| 172 | #endif
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| 173 |
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| 174 | /*
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| 175 | * The only changes to the XSI namespace in revision 6 were the deletion
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| 176 | * of the ttyslot() and valloc() functions, which FreeBSD never declared
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| 177 | * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which
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| 178 | * FreeBSD also does not have, and mktemp(), are to be deleted.
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| 179 | */
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| 180 | #if __XSI_VISIBLE
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| 181 | /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */
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| 182 | /* long a64l(const char *); */
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| 183 | double drand48(void);
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| 184 | /* char *ecvt(double, int, int * __restrict, int * __restrict); */
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| 185 | double erand48(unsigned short[3]);
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| 186 | /* char *fcvt(double, int, int * __restrict, int * __restrict); */
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| 187 | /* char *gcvt(double, int, int * __restrict, int * __restrict); */
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| 188 | int getsubopt(char **, char *const *, char **);
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| 189 | /** @todo int grantpt(int); */
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| 190 | char *initstate(unsigned long /* XSI requires u_int */, char *, long);
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| 191 | long jrand48(unsigned short[3]);
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| 192 | /* char *l64a(long); */
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| 193 | void lcong48(unsigned short[7]);
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| 194 | long lrand48(void);
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| 195 | #ifndef _MKSTEMP_DECLARED
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| 196 | int mkstemp(char *);
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| 197 | #define _MKSTEMP_DECLARED
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| 198 | #endif
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| 199 | #ifndef _MKTEMP_DECLARED
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| 200 | char *mktemp(char *);
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| 201 | #define _MKTEMP_DECLARED
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| 202 | #endif
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| 203 | long mrand48(void);
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| 204 | long nrand48(unsigned short[3]);
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| 205 | /** @todo int posix_openpt(int); */
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| 206 | /** @todo char *ptsname(int); */
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| 207 | int putenv(const char *);
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| 208 | long random(void);
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| 209 | char *realpath(const char *, char resolved_path[]);
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| 210 | unsigned short
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| 211 | *seed48(unsigned short[3]);
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| 212 | #ifndef _SETKEY_DECLARED
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| 213 | /** @todo int setkey(const char *); */
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| 214 | #define _SETKEY_DECLARED
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| 215 | #endif
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| 216 | char *setstate(/* const */ char *);
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| 217 | void srand48(long);
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| 218 | void srandom(unsigned long);
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| 219 | /** @todo int unlockpt(int); */
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| 220 | #endif /* __XSI_VISIBLE */
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| 221 |
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| 222 | #if __BSD_VISIBLE
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| 223 | extern const char *_malloc_options;
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| 224 | extern void (*_malloc_message)(const char *, const char *, const char *,
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| 225 | const char *);
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| 226 |
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| 227 | /*
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| 228 | * The alloca() function can't be implemented in C, and on some
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| 229 | * platforms it can't be implemented at all as a callable function.
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| 230 | * The GNU C compiler provides a built-in alloca() which we can use;
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| 231 | * in all other cases, provide a prototype, mainly to pacify various
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| 232 | * incarnations of lint. On platforms where alloca() is not in libc,
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| 233 | * programs which use it will fail to link when compiled with non-GNU
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| 234 | * compilers.
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| 235 | */
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| 236 | #if __GNUC__ >= 2 || defined(__INTEL_COMPILER)
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| 237 | #undef alloca /* some GNU bits try to get cute and define this on their own */
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| 238 | #define alloca(sz) __builtin_alloca(sz)
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| 239 | #elif defined(lint)
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| 240 | void *alloca(size_t);
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| 241 | #endif
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| 242 |
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| 243 | /** @todo __uint32_t
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| 244 | arc4random(void); */
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| 245 | /** @todo void arc4random_addrandom(unsigned char *dat, int datlen); */
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| 246 | /** @todo void arc4random_stir(void); */
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| 247 | char *getbsize(int *, long *);
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| 248 | /* getcap(3) functions */
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| 249 | /** @todo char *cgetcap(char *, const char *, int); */
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| 250 | /** @todo int cgetclose(void); */
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| 251 | /** @todo int cgetent(char **, char **, const char *); */
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| 252 | /** @todo int cgetfirst(char **, char **); */
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| 253 | /** @todo int cgetmatch(const char *, const char *); */
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| 254 | /** @todo int cgetnext(char **, char **); */
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| 255 | /** @todo int cgetnum(char *, const char *, long *); */
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| 256 | /** @todo int cgetset(const char *); */
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| 257 | /** @todo int cgetstr(char *, const char *, char **); */
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| 258 | /** @todo int cgetustr(char *, const char *, char **); */
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| 259 |
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| 260 | /** @todo int daemon(int, int); */
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| 261 | /** @todo char *devname(int, int); */
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| 262 | /** @todo char *devname_r(int, int, char *, int); */
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| 263 | int getloadavg(double [], int);
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| 264 | __const char *
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| 265 | getprogname(void);
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| 266 |
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| 267 | int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
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| 268 | int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
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| 269 | void qsort_r(void *, size_t, size_t, void *,
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| 270 | int (*)(void *, const void *, const void *));
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| 271 | int radixsort(const unsigned char **, int, const unsigned char *,
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| 272 | unsigned);
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| 273 | void *reallocf(void *, size_t);
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| 274 | void setprogname(const char *);
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| 275 | int sradixsort(const unsigned char **, int, const unsigned char *,
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| 276 | unsigned);
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| 277 | void sranddev(void);
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| 278 | void srandomdev(void);
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| 279 |
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| 280 | /* Deprecated interfaces, to be removed in FreeBSD 6.0. */
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| 281 | /** @todo __int64_t
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| 282 | strtoq(const char *, char **, int); */
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| 283 | /** @todo __uint64_t
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| 284 | strtouq(const char *, char **, int); */
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| 285 |
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| 286 | extern char *suboptarg; /* getsubopt(3) external variable */
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| 287 | #endif /* __BSD_VISIBLE */
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| 288 |
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| 289 |
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| 290 |
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| 291 | /* bird: LIBC stuff - start */
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| 292 | #ifdef __BSD_VISIBLE
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| 293 | char *_getcwdux(char *, size_t);
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| 294 | /** @todo: int _chdirux(char *); */
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| 295 | char *_realrealpath(const char *, char *, size_t);
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| 296 | #endif
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| 297 | #ifdef __USE_GNU
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| 298 | char *canonicalize_file_name(const char *);
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| 299 | void *valloc(size_t);
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| 300 | #endif
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| 301 | int on_exit(void (*)(int, void *), void *);
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| 302 | /* bird: LIBC stuff - end */
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| 303 |
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| 304 |
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| 305 | /* bird: EMX/PC stuff - start */
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| 306 |
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| 307 | #include <malloc.h>
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| 308 |
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| 309 | #if !defined (_MAX_PATH)
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| 310 | #define _MAX_PATH 260
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| 311 | #define _MAX_DRIVE 3
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| 312 | #define _MAX_DIR 256
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| 313 | #define _MAX_FNAME 256
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| 314 | #define _MAX_EXT 256
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| 315 | #endif
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| 316 |
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| 317 | #if !defined (__STRICT_ANSI__) && !defined (_POSIX_SOURCE) || defined(__USE_EMX)
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| 318 |
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| 319 | #if !defined (OS2_MODE)
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| 320 | #define DOS_MODE 0
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| 321 | #define OS2_MODE 1
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| 322 | #endif
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| 323 |
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| 324 | #ifndef _INTPTR_T_DECLARED
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| 325 | typedef __intptr_t intptr_t;
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| 326 | typedef __uintptr_t uintptr_t;
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| 327 | #define _INTPTR_T_DECLARED
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| 328 | #endif
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| 329 |
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| 330 | #if !defined(_MODE_T_DECLARED) && !defined(_MODE_T) /* bird: emx */
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| 331 | typedef __mode_t mode_t;
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| 332 | #define _MODE_T_DECLARED
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| 333 | #define _MODE_T /* bird: emx */
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| 334 | #endif
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| 335 |
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| 336 | /* declare _errno to be compatible with MS/VAC/WATCOM */
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| 337 | #if !defined (_ERRNO)
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| 338 | #define _ERRNO
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| 339 | extern int * _errno(void);
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| 340 | #define errno (* _errno())
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| 341 | #endif /* bird: emx */
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| 342 |
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| 343 | #if !defined (_ULDIV_T)
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| 344 | #define _ULDIV_T
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| 345 | typedef struct
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| 346 | {
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| 347 | unsigned long quot;
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| 348 | unsigned long rem;
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| 349 | } _uldiv_t;
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| 350 |
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| 351 | #if __ISO_C_VISIBLE >= 1999 && defined(__LONG_LONG_SUPPORTED)
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| 352 | typedef struct _lldiv_t _lldiv_t;
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| 353 | #else
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| 354 | typedef struct
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| 355 | {
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| 356 | long long quot;
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| 357 | long long rem;
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| 358 | } _lldiv_t;
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| 359 | #endif
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| 360 | typedef struct
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| 361 | {
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| 362 | unsigned long long quot;
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| 363 | unsigned long long rem;
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| 364 | } _ulldiv_t;
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| 365 | #endif
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| 366 |
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| 367 | extern char **environ;
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| 368 |
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| 369 | extern __const__ unsigned char _osminor;
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| 370 | extern __const__ unsigned char _osmajor;
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| 371 |
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| 372 | /* No DOS support ... */
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| 373 | #define _osmode OS2_MODE
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| 374 |
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| 375 | unsigned alarm (unsigned);
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| 376 | int brk(const void *);
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| 377 | int chdir (const char *);
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| 378 | char *gcvt (double, int, char *); /* this is rubbish standardwise */
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| 379 | char *getcwd (char *, size_t);
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| 380 | int getpagesize (void);
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| 381 | char *getwd (char *);
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| 382 | int mkdir(const char *, mode_t);
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| 383 | void perror (const char *);
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| 384 | int rmdir (const char *);
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| 385 | void *sbrk(intptr_t);
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| 386 | unsigned sleep (unsigned);
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| 387 | long ulimit (int, ...);
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| 388 |
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| 389 | char *itoa (int, char *, int);
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| 390 | char *ltoa (long, char *, int);
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| 391 | char *ultoa (unsigned long, char *, int);
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| 392 | char *lltoa (long long, char *, int);
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| 393 | char *ulltoa (unsigned long long, char *, int);
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| 394 |
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| 395 | #endif
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| 396 |
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| 397 |
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| 398 | #if (!defined (__STRICT_ANSI__) && !defined (_POSIX_SOURCE)) || defined (_WITH_UNDERSCORE) || defined(__USE_EMX)
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| 399 |
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| 400 | extern char **_environ;
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| 401 | extern __const__ char * __const__ _sys_errlist[];
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| 402 | extern __const__ int _sys_nerr;
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| 403 |
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| 404 | unsigned _alarm (unsigned);
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| 405 | int _brk(const void *);
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| 406 | int _chdir (__const__ char *);
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| 407 | char *_gcvt (double, int, char *);
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| 408 | char *_getcwd (char *, size_t);
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| 409 | int _getpagesize (void);
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| 410 | char *_getwd (char *);
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| 411 | int _mkdir (__const__ char *, long);
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| 412 | int _putenv (__const__ char *);
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| 413 | int _rmdir (__const__ char *);
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| 414 | void *_sbrk(intptr_t);
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| 415 | unsigned _sleep (unsigned);
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| 416 | void _swab (__const__ void *, void *, size_t);
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| 417 | long _ulimit (int, ...);
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| 418 |
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| 419 | int _abspath (char *, __const__ char *, int);
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| 420 | long long _atoll (__const__ char *);
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| 421 | long double _atofl (__const__ char *);
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| 422 | int _chdir2 (__const__ char *);
|
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| 423 | int _chdrive (int);
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| 424 | int _core (int);
|
|---|
| 425 | void _defext (char *, __const__ char *);
|
|---|
| 426 | void _envargs (int *, char ***, __const__ char *);
|
|---|
| 427 | int _execname (char *, size_t);
|
|---|
| 428 | void _exit (int) __attribute__ ((__noreturn__));
|
|---|
| 429 | int _filesys (__const__ char *, char *, size_t);
|
|---|
| 430 | char **_fnexplode (__const__ char *);
|
|---|
| 431 | void _fnexplodefree (char **);
|
|---|
| 432 | char _fngetdrive (__const__ char *);
|
|---|
| 433 | int _fnisabs (__const__ char *);
|
|---|
| 434 | int _fnisrel (__const__ char *);
|
|---|
| 435 | void _fnlwr (char *);
|
|---|
| 436 | void _fnlwr2 (char *, __const__ char *);
|
|---|
| 437 | char *_fnslashify (char *);
|
|---|
| 438 | int _fullpath (char *, __const__ char *, int);
|
|---|
| 439 | int _getcwd1 (char *, char);
|
|---|
| 440 | char *_getcwd2 (char *, int);
|
|---|
| 441 | int _getdrive (void);
|
|---|
| 442 | char *_getext (__const__ char *);
|
|---|
| 443 | char *_getext2 (__const__ char *);
|
|---|
| 444 | char *_getname (__const__ char *);
|
|---|
| 445 | int _getsockhandle (int);
|
|---|
| 446 | int _gettid (void);
|
|---|
| 447 | char *_getvol (char);
|
|---|
| 448 | char *_itoa (int, char *, int);
|
|---|
| 449 | _lldiv_t _lldiv (long long, long long);
|
|---|
| 450 | char *_lltoa (long long, char *, int);
|
|---|
| 451 | _uldiv_t _uldiv (unsigned long, unsigned long);
|
|---|
| 452 | _ulldiv_t _ulldiv (unsigned long long, unsigned long long);
|
|---|
| 453 | char *_itoa (int, char *, int);
|
|---|
| 454 | char *_ltoa (long, char *, int);
|
|---|
| 455 | char *_ultoa (unsigned long, char *, int);
|
|---|
| 456 | char *_lltoa (long long, char *, int);
|
|---|
| 457 | char *_ulltoa (unsigned long long, char *, int);
|
|---|
| 458 | void _makepath (char *, __const__ char *, __const__ char *,
|
|---|
| 459 | __const__ char *, __const__ char *);
|
|---|
| 460 | int _path (char *, __const__ char *);
|
|---|
| 461 | int _read_kbd (int, int, int);
|
|---|
| 462 | void _remext (char *);
|
|---|
| 463 | void _rfnlwr (void);
|
|---|
| 464 | void _response (int *, char ***);
|
|---|
| 465 | void _scrsize (int *);
|
|---|
| 466 | void _searchenv (__const__ char *, __const__ char *, char *);
|
|---|
| 467 | void _sfnlwr (__const__ char *);
|
|---|
| 468 | unsigned _sleep2 (unsigned);
|
|---|
| 469 | char ** _splitargs (char *, int *);
|
|---|
| 470 | void _splitpath (__const__ char *, char *, char *, char *, char *);
|
|---|
| 471 | float _strtof (__const__ char *, char **);
|
|---|
| 472 | long double _strtold (__const__ char *, char **);
|
|---|
| 473 | long long _strtoll (__const__ char *, char **, int);
|
|---|
| 474 | unsigned long long _strtoull (__const__ char *, char **, int);
|
|---|
| 475 | char _swchar (void);
|
|---|
| 476 | void _wildcard (int *, char ***);
|
|---|
| 477 |
|
|---|
| 478 | int _beginthread (void (*)(void *), void *, unsigned, void *);
|
|---|
| 479 | void _endthread (void);
|
|---|
| 480 | void **_threadstore (void);
|
|---|
| 481 |
|
|---|
| 482 | int _setenv(const char *envname, const char *envval, int overwrite);
|
|---|
| 483 | int _unsetenv(const char *name);
|
|---|
| 484 |
|
|---|
| 485 | #endif
|
|---|
| 486 |
|
|---|
| 487 | __END_DECLS
|
|---|
| 488 |
|
|---|
| 489 | /* bird: EMX/PC stuff - end */
|
|---|
| 490 |
|
|---|
| 491 | #endif /* !_STDLIB_H_ */
|
|---|
| 492 |
|
|---|
