Plan 9 from Bell Labs’s /usr/web/sources/patch/maybe/ape-updates/memchr.c

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.


#include	<string.h>

void*
memchr(const void *ap, int c, size_t n)
{
	const unsigned char *sp;

	sp = ap;
	c &= 0xFF;
	while(n > 0) {
		if(*sp++ == c)
			return (void*)(sp-1);
		n--;
	}
	return 0;
}

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