Simulation de terminal

<pre>
#include <stdio.h>
#include <errno.h>

#include <unistd.h>

int
application(int argc, char* argv[])
{
  char app1[] = "";
  char app2[] = "";

  switch (fork())
    {
    case -1 :
      perror("fork : ");
      return 0;
    case 0 :
      if (execvp((argc >= 2) ? app1 : app2, &argv[1]) == -1)
    {
      perror("execvp : ");
      return 0;
    }
      break;
    default :
      wait(NULL);
    }

  return 1;
}


int
main(int argc, char* argv[])
{
  if (argc != 2)
    {
      fprintf(stderr, "Usage...\n");
      return 1;
    }

  if (! application(argc, argv))
    {
      return 1;
    }

  return 0;
}
</pre>