/*
 * func-ptr.c
 */

#include <stdio.h>

int this(int x);
int that(int y);

int main(int argc, char *argv[])
{
    int (*func)(int);

    func = this;
    (*func)(12);
    this(12);

    func = that;
    (*func)(14);
}

int this(int x)
{
    printf("this is %d\n", x);
}

int that(int y)
{
    printf("but that is %d\n", y);
}