ruby/missing/memcmp.c

18 строки
335 B
C
Исходник Обычный вид История

/* public domain rewrite of memcmp(3) */
#include <stddef.h>
int
memcmp(const void *s1, const void *s2, size_t len)
{
register unsigned char *a = (unsigned char*)s1;
register unsigned char *b = (unsigned char*)s2;
register int tmp;
for (; len; --len) {
if (tmp = *a++ - *b++)
return tmp;
}
return 0;
}