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