1 | #include <sys/types.h>
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2 | #include <stdio.h>
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3 | #include <errno.h>
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4 | #ifndef NULL
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5 | /* ANSI C */
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6 | #include <stddef.h>
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7 | #endif
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8 | #ifdef STDC_HEADERS
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9 | #include <string.h>
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10 | #endif
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11 |
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12 | #ifndef SEEK_SET
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13 | #define SEEK_SET 0
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14 | #define SEEK_CUR 1
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15 | #define SEEK_END 2
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16 | #endif
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17 |
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18 | /* Only use fseeko/ftello if they are both there. */
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19 |
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20 | #if defined (HAVE_FSEEKO) && defined (HAVE_FTELLO)
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21 | #define FSEEK fseeko
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22 | #define FTELL ftello
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23 | #else
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24 | #define FSEEK fseek
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25 | #define FTELL ftell
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26 | #endif
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27 |
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28 | #if defined (MSDOS) && !defined (GO32)
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29 | #ifndef NON_UNIX_STDIO
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30 | #define NON_UNIX_STDIO
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31 | #endif
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32 | #endif
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33 |
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34 | #ifdef UIOLEN_int
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35 | typedef int uiolen;
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36 | #else
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37 | typedef long uiolen;
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38 | #endif
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39 |
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40 | /*units*/
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41 | typedef struct
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42 | { FILE *ufd; /*0=unconnected*/
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43 | char *ufnm;
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44 | #if !(defined (MSDOS) && !defined (GO32))
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45 | long uinode;
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46 | int udev;
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47 | #endif
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48 | int url; /*0=sequential*/
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49 | flag useek; /*true=can backspace, use dir, ...*/
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50 | flag ufmt;
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51 | flag urw; /* (1 for can read) | (2 for can write) */
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52 | flag ublnk;
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53 | flag uend;
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54 | flag uwrt; /*last io was write*/
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55 | flag uscrtch;
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56 | } unit;
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57 |
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58 | extern int f__init;
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59 | extern cilist *f__elist; /*active external io list*/
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60 | extern flag f__reading,f__external,f__sequential,f__formatted;
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61 | #undef Void
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62 | #ifdef KR_headers
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63 | #define Void /*void*/
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64 | extern int (*f__getn)(); /* for formatted input */
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65 | extern void (*f__putn)(); /* for formatted output */
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66 | extern void x_putc();
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67 | extern long f__inode();
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68 | extern VOID sig_die();
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69 | extern int (*f__donewrec)(), t_putc(), x_wSL();
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70 | extern int c_sfe(), err__fl(), xrd_SL(), f__putbuf();
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71 | #else
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72 | #define Void void
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73 | #ifdef __cplusplus
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74 | extern "C" {
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75 | #endif
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76 | extern int (*f__getn)(void); /* for formatted input */
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77 | extern void (*f__putn)(int); /* for formatted output */
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78 | extern void x_putc(int);
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79 | extern long f__inode(char*,int*);
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80 | extern void sig_die(char*,int);
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81 | extern void f__fatal(int,char*);
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82 | extern int t_runc(alist*);
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83 | extern int f__nowreading(unit*), f__nowwriting(unit*);
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84 | extern int fk_open(int,int,ftnint);
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85 | extern int en_fio(void);
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86 | extern void f_init(void);
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87 | extern int (*f__donewrec)(void), t_putc(int), x_wSL(void);
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88 | extern void b_char(char*,char*,ftnlen), g_char(char*,ftnlen,char*);
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89 | extern int c_sfe(cilist*), z_rnew(void);
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90 | extern int isatty(int);
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91 | extern int err__fl(int,int,char*);
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92 | extern int xrd_SL(void);
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93 | extern int f__putbuf(int);
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94 | #ifdef __cplusplus
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95 | }
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96 | #endif
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97 | #endif
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98 | extern int (*f__doend)(Void);
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99 | extern FILE *f__cf; /*current file*/
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100 | extern unit *f__curunit; /*current unit*/
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101 | extern unit f__units[];
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102 | #define err(f,m,s) do {if(f) {f__init &= ~2; errno= m;} else f__fatal(m,s); return(m);} while(0)
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103 | #define errfl(f,m,s) do {return err__fl((int)f,m,s);} while(0)
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104 |
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105 | /*Table sizes*/
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106 | #define MXUNIT 100
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107 |
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108 | extern int f__recpos; /*position in current record*/
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109 | extern int f__cursor; /* offset to move to */
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110 | extern int f__hiwater; /* so TL doesn't confuse us */
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111 |
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112 | #define WRITE 1
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113 | #define READ 2
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114 | #define SEQ 3
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115 | #define DIR 4
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116 | #define FMT 5
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117 | #define UNF 6
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118 | #define EXT 7
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119 | #define INT 8
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120 |
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121 | #define buf_end(x) (x->_flag & _IONBF ? x->_ptr : x->_base + BUFSIZ)
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