/*
COMP2001/2401 - Winter 2013

execvp: morphs the current program 
        into another program


*/

#include <stdio.h> 
#include <unistd.h> 
#include <string.h>

int main() {
  char program[80];  // name program to morph into 
  char *args[3];     // command line arguments of new 
                     // program 
  int rc;

  // we will morph the current process
  // into program
  strcpy(program, "./p");

  // program will start executing 
  // with input arguments as defined here
  args[0] = "anything here"; 
  args[1] = "--help";
  args[2] = NULL;
  printf("morph process now...\n");

  // morph the process
  rc = execvp(program, args);

  // we failed if we get to this line in the code
  printf("rc = %d \n", rc);
}