com32/lib/memccpy.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

/*
 * 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 */
}