ref: 0d12ecf89243f529ad849b1b872ad89f9b9b01d9
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;
}