fxlibc/src/libc/string/strncpy.c

#include <string.h>

char *strncpy(char *dest, char const *str, size_t size)
{
	size_t i;

	for (i = 0; i < size && str[i]; i++)
		dest[i] = str[i];
	for(; i < size; i++)
		dest[i] = 0;

	return (dest);
}