87   FILE **pf = (FILE **)lua_newuserdata(L, sizeof(FILE *));  in newfile()  local
88   *pf = NULL;  /* file handle is currently `closed' */  in newfile()
91   return pf;  in newfile()
164   FILE **pf = newfile(L);  in io_open()  local
165   *pf = fopen(filename, mode);  in io_open()
166   return (*pf == NULL) ? pushresult(L, 0, filename) : 1;  in io_open()
177   FILE **pf = newfile(L);  in io_popen()  local
178   *pf = lua_popen(L, filename, mode);  in io_popen()
179   return (*pf == NULL) ? pushresult(L, 0, filename) : 1;  in io_popen()
184   FILE **pf = newfile(L);  in io_tmpfile()  local
185   *pf = tmpfile();  in io_tmpfile()
186   return (*pf == NULL) ? pushresult(L, 0, NULL) : 1;  in io_tmpfile()
204       FILE **pf = newfile(L);  in g_iofile()  local
205       *pf = fopen(filename, mode);  in g_iofile()
206       if (*pf == NULL)  in g_iofile()
256     FILE **pf = newfile(L);  in io_lines()  local
257     *pf = fopen(filename, "r");  in io_lines()
258     if (*pf == NULL)  in io_lines()