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The C Users' Group Library 1994 August
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wc-cdrom-cusersgrouplibrary-1994-08.iso
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v_10_12
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1012014a
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1992-10-06
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317b
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15 lines
/* memchr function */
#include <string.h>
void *(memchr)(const void *s, int c, size_t n)
{ /* find first occurrence of c in s[n] */
const unsigned char uc = c;
const unsigned char *su = (const unsigned char *)s;
for (; 0 n; ++su, --n)
if (*su == uc)
return ((void *)su);
return (NULL);
}