old-cross-binutils/libiberty/memset.c
2003-04-15 03:53:53 +00:00

32 lines
592 B
C

/* memset
This implementation is in the public domain. */
/*
@deftypefn Supplemental void* memset (void *@var{s}, int @var{c}, size_t @var{count})
Sets the first @var{count} bytes of @var{s} to the constant byte
@var{c}, returning a pointer to @var{s}.
@end deftypefn
*/
#include <ansidecl.h>
#ifdef ANSI_PROTOTYPES
#include <stddef.h>
#else
#define size_t unsigned long
#endif
PTR
memset (dest, val, len)
PTR dest;
register int val;
register size_t len;
{
register unsigned char *ptr = (unsigned char*)dest;
while (len-- > 0)
*ptr++ = val;
return dest;
}