ref: 2cd872bc09250e9ba2c7f5e2bae693b28f06b56c
dir: /libc/src/strncat.c/
/* See LICENSE file for copyright and license details. */
#include <string.h>
char *
strncat(char * restrict dst, const char * restrict src, size_t n)
{
char *ret = dst;
while (*dst)
++dst;
while (n-- > 0 && *src)
*dst++ = *src++;
*dst = '\0';
return ret;
}