usr/klibc/memccpy.c

/*
 * memccpy.c
 *
 * memccpy()
 */

#include <stddef.h>
#include <string.h>

void *memccpy(void *dst, const void *src, int c, size_t n)
{
	char *q = dst;
	const char *p = src;
	char ch;

	while (n--) {
		*q++ = ch = *p++;
		if (ch == (char)c)
			return q;
	}

	return NULL;		/* No instance of "c" found */
}
1	/*
2	* memccpy.c
3	*
4	* memccpy()
5	*/
6
7	#include <stddef.h>
8	#include <string.h>
9
10	void memccpy(void dst, const void *src, int c, size_t n)
11	{
12	char *q = dst;
13	const char *p = src;
14	char ch;
15
16	while (n--) {
17	q++ = ch = p++;
18	if (ch == (char)c)
19	return q;
20	}
21
22	return NULL; /* No instance of "c" found */
23	}