// HIDE_START
// vim: ts=4 sw=4 et

#include <stdio.h>
// HIDE_END

void copystr(char to[], char from[], int n)
{
    int i = 0;

    while (i < n-1 && from[i] != '\0') {
        to[i] = from[i];
        i++;
    }
    to[i] = '\0';
}

int main(void)
{
    char buf1[10];
    char buf2[10] = "abcdefghi";

    copystr(buf1, buf2, 10);
    printf("%s %s\n", buf1, buf2);
    return 0;
}