ref: 4fc1967ea04185a8005bd30b2d5bf36f326dff35
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;
}