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Last change
on this file since 3086 was 2, checked in by bird, 23 years ago |
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Initial revision
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Property cvs2svn:cvs-rev
set to
1.1
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Property svn:eol-style
set to
native
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Property svn:executable
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*
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File size:
590 bytes
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| 1 | /* memset
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| 2 | This implementation is in the public domain. */
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| 3 |
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| 4 | /*
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| 5 |
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| 6 | @deftypefn Supplemental void* memset (void *@var{s}, int @var{c}, size_t @var{count})
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| 7 |
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| 8 | Sets the first @var{count} bytes of @var{s} to the constant byte
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| 9 | @var{c}, returning a pointer to @var{s}.
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| 10 |
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| 11 | @end deftypefn
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| 12 |
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| 13 | */
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| 14 |
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| 15 | #include <ansidecl.h>
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| 16 | #ifdef __STDC__
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| 17 | #include <stddef.h>
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| 18 | #else
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| 19 | #define size_t unsigned long
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| 20 | #endif
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| 21 |
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| 22 | PTR
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| 23 | DEFUN(memset, (dest, val, len),
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| 24 | PTR dest AND register int val AND register size_t len)
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| 25 | {
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| 26 | register unsigned char *ptr = (unsigned char*)dest;
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| 27 | while (len-- > 0)
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| 28 | *ptr++ = val;
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| 29 | return dest;
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| 30 | }
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