#include <stdint.h>
#include <string.h>

char *
strncpy(char *dst, const char *src, size_t n)
{
	if (n != 0) {
		char *d = dst;
		const char *s = src;

		do {
			if ((*d++ = *s++) == 0) {
				/* NUL pad the remaining n-1 bytes */
				while (--n != 0)
					*d++ = 0;
				break;
			}
		} while (--n != 0);
	}
	return (dst);
}

char *
strcat(char *s, const char *append)
{
	char *save = s;

	for (; *s; ++s);
	while ((*s++ = *append++) != '\0');
	return(save);
}