Function io_pclose

lib/lua/src/liolib.c:284–288

** function to close 'popen' files */

** function to close 'popen' files
*/
static int io_pclose (lua_State *L) {
  LStream *p = tolstream(L);
  errno = 0;
  return luaL_execresult(L, l_pclose(L, p->f));
}


static int io_popen (lua_State *L) {