ref: cce5422e79699bc71e6525d77dfc3d8a9f5b1b9d
dir: /sys/src/libc/port/strncpy.c/
#include <u.h> #include <libc.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; }