Lines Matching defs:tf
46 static FILE *tf;
108 if (!tf && !setttyent())
111 if (!fgets(p = line, lbsize, tf))
114 while (!strchr(p, '\n') && !feof(tf)) {
122 if (!fgets(&line[i], lbsize - i, tf))
246 if (tf) {
247 rewind(tf);
249 } else if ( (tf = fopen(_PATH_TTYS, "re")) )
263 if (tf) {
264 rval = (fclose(tf) != EOF);
265 tf = NULL;