File: setsid.c

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#include <stdio.h>
#include <unistd.h>

int main(int argc, char **argv) {

  /* Make this process a group leader */
  (void)setsid();

  /* Execute the real command */
  if (argc > 1) {
    execvp(argv[1], argv+1);
  } else {
    fprintf(stderr, "%s missing arguments\n", argv[0]);
  }

  return 1; }