Andrew
42e77931bf
- Move source code from `trunk` into program root directory. - Update build files.
20 lines
417 B
C
20 lines
417 B
C
#include <assert.h>
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#include "unconst.h"
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#include <string.h>
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void* memchr(const void* s, int c, size_t n)
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{
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int d0;
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register void* __res;
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if (!n)
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return NULL;
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__asm__ __volatile__(
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"repne\n\t"
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"scasb\n\t"
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"je 1f\n\t"
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"movl $1,%0\n"
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"1:\tdecl %0"
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: "=D"(__res), "=&c"(d0)
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: "a"(c), "0"(s), "1"(n));
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return __res;
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} |