Lines Matching defs:tf
67 static FILE *tf;138 if (!tf && !setttyent())171 if (!fgets(p = line, MAXLINELENGTH, tf))175 while ((c = getc(tf)) != '\n' && c != EOF)368 if (tf) {369 (void)rewind(tf);371 } else if ((tf = fopen(_PATH_TTYS, "r")) != NULL)381 if (tf) {382 rval = !(fclose(tf) == EOF);383 tf = NULL;