/*
    exectest.c
    
    Started by Jeff Ondich on 3/26/96
    Last modified 4/1/02
    
    This program gives a simple example of
    exec, and how a parent process can wait for
    a child process to return.
*/

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


int main()
{
    int status;
    pid_t pid;

    /* Create the new process. */
    pid = fork();

    if( pid != 0 )  /* Parent */
    {
        printf( "Parent just created child, ID %d\n", pid );
        fflush( stdout );
        pid = wait( &status );
        printf( "My child ID %d just exited with status %d\n", pid, WEXITSTATUS(status) );
        fflush( stdout );
    }
    else            /* Child */
    {
        printf( "Process %d is about to execute 'getanumber'\n", getpid() );
        fflush( stdout );
        execlp( "getanumber", "getanumber", NULL );
        printf( "Will this get printed? No.\n" );
        fflush( stdout );
    }

    return( 0 );
}