ref: 1018d7a7091fd5e0433f501a3474cdc3fec322cc
dir: /libkern/strncpy.c/
#include <lib9.h> char* strncpy(char *s1, char *s2, long n) { int i; char *os1; os1 = s1; for(i = 0; i < n; i++) if((*s1++ = *s2++) == 0) { while(++i < n) *s1++ = 0; return os1; } return os1; }