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


int main(void){
    FILE * fd = popen("ls -al", "r");
    char buffer[100];
    
    while( fgets(buffer,100,fd) != NULL){
        printf("I just got %s\n",buffer);
    }
    fclose(fd);
    return 0;
}