ref: 63b043a33ebc301bdf8a699d79dc91c9acedaa30
dir: /sys/src/ape/lib/ap/gen/strncpy.c/
#include <string.h>
char*
strncpy(char *s1, const char *s2, size_t 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;
}