main.c(final)

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>

void collatzConjecture(int number, int childNum) {
    printf("From Child%d, pid=%d: number=%d\n", childNum, getpid(), number);
    
    while(number != 1){
        if (number % 2 == 0) {
            number = number / 2;
        } else {
            number = 3 * number + 1;
        }
        printf("From Child%d: number=%d\n", childNum, number);
    }
    printf("From Child%d, pid=%d: I'm done!\n",  childNum, getpid());
  }

int main(){

    int number = 0;
    pid_t child1, child2;

    printf("Please enter a number: ");
    scanf("%d", &number);

    if(number >= 40 || number <= 0){
     printf("This is an invalid number.");
     return 1;
    }

    printf("collatz %d\n", number);
    printf("This is the Parent waiting!\n");
    
    //this is the first child process
    child1 = fork();
    
    if(child1 == 0) {
    collatzConjecture(number, 1);
    exit(0);
    }
    wait(NULL);


    //this is the second child process
    child2 = fork();
    if(child2 == 0) {
    collatzConjecture(number + 6, 2);
    exit(0);
    }
    wait(NULL);
    

    printf("All my Children Complete\n");

return 0;
}