ref: d94045063ac8a93222b4f08ac56c056a7a6a2415
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;
}