strncpy.c\string\src - musl - musl - an implementation of the standard library for Linux-based systems

#include <string.h>
char *__stpncpy(char *, const char *, size_t);
char *strncpy(char *d, const char *s, size_t n)
{
	__stpncpy(d, s, n);
	return d;
}