89 FILE *infile;			/* Current input file */  variable
327 	if (infile == NULL) {  in mf_fgets()
333 			infile = stdin;  in mf_fgets()
342 		if (infile != NULL && (c = getc(infile)) != EOF) {  in mf_fgets()
343 			(void) ungetc(c, infile);  in mf_fgets()
347 		if (infile == stdin) {  in mf_fgets()
351 		if (infile != NULL) {  in mf_fgets()
352 			(void) fclose(infile);  in mf_fgets()
448 		if ((infile = fopen(fname, "r")) == NULL) {  in mf_fgets()
462 	len = getline(&p, &plen, infile);  in mf_fgets()
514 	if ((ch = getc(infile)) == EOF)  in lastline()
516 	(void) ungetc(ch, infile);  in lastline()