/* 
 * Compiled with: g++
 * Works    with: cabXXX machines  
 */
#include <stdio.h>
#include <unistd.h>

main()
{
    char *argsIn[3];

    argsIn[0] = "ls";
    argsIn[1] = "-al";
    argsIn[2] = (char *) 0;

    printf("executing ls\n");
    execv("/usr/local/bin/ls", argsIn);

    /* if exec command returns, the call has failed */
    perror("exec failed to run ls");
    exit(1);
}