#include "csapp.h"

void print1(){
    printf("here\n");
}
void print2(){
    printf("Hello World");
}
void main(int argc, char *argv[]){
    printf("%s",argv[1]);
    void (*a)();
    a = &argv[1]; // seg faults but,
//  a = print1;   // works fine

    a();
}