ref: 3e95097ce623d14228f5fe8f4206efe7d3490a9a
dir: /libc/src/strncat.c/
/* See LICENSE file for copyright and license details. */
#include <string.h>
char *
strncat(char *dst, const char *src, size_t n)
{
	char *ret = dst;
	while (*dst)
		++dst;
	while (n-- > 0 && *src)
		*dst++ = *src++;
	*dst = '\0';
	return ret;
}