gistfile1.h

#include <stdio.h>
#include <stdlib.h>

int main(int argc, char **argv)
{
    int i;
    char hello1[255] = "hello1!!\n";
    char hello2[255] = "hello2!!\n";

    char *func1() { return "func1\n"; }
    char *func2() { return "func2\n"; }

    char *(*f[])() = { func1, func2 };
    char *h[] = { hello1, hello2 };

    for (i = 0; i < 2; i++) {
        printf("%s", (*f[i])());
    }
   
    for (i = 0; i < 2; i++) {
        printf("%s", h[i]);
    }
}