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memchr.c
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1991-11-02
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/* memchr.c -- compare memory.
Return address of first C in S, or NULL if not found.
Stops looking after N characters. Doesn't stop at nulls.
In the public domain.
By David MacKenzie <djm@ai.mit.edu>. */
char *
memchr (s, c, n)
register char *s1;
register char c;
register unsigned n;
{
while (n--)
{
if (*s++ == c)
return s - 1;
}
return 0;
}