#include "intro.h"
#include <stdio.h>
#include <stddef.h>
#include <string.h>

int compute(int input, int (*executor)(int))
{
    
    return executor(input);
}

void isa(void){ printf("Hello Isabelle!\n");}
void idky(void){ printf("I don't know you!\n");}
void bla(void){ printf("Good night Blathers!\n");}
void tom(void){ printf("Hi Tom Nook.\n");}
void res(void){ printf("How are you doing Mr. Resetti?\n");}


void (*greet(char *name)) (void)
{
    if(!name) return idky;

    if (strcmp(name, "Isabelle") == 0) return isa; 
    else if (strcmp(name, "Tom Nook") == 0) return tom;
    else if (strcmp(name, "Blathers") == 0) return bla;
    else if (strcmp(name, "Mr. Resetti") == 0) return res;
    else return idky;
}

/*
int next(int n)
{
    return n + 1;
}


#include <stdio.h>
int main(void)
{
    int n = 3;
    printf("compute(%d, &next) = %d\n", n, compute(n, &next));
}
*/
/*
int main(int argc, char *argv[])
{
    (void)argc;
    (*greet(argv[1]))();
}
*/