ref: a21c8d0216dc5b89f12975f17c1c5e626aa46eb3
dir: /sys/src/libc/port/runestrncpy.c/
#include <u.h>
#include <libc.h>
Rune*
runestrncpy(Rune *s1, Rune *s2, long n)
{
int i;
Rune *os1;
os1 = s1;
for(i = 0; i < n; i++)
if((*s1++ = *s2++) == 0) {
while(++i < n)
*s1++ = 0;
return os1;
}
return os1;
}