90 FILE *infile;			/* Current input file */  variable
330 	if (infile == NULL) {  in mf_fgets()
336 			infile = stdin;  in mf_fgets()
345 		if (infile != NULL && (c = getc(infile)) != EOF) {  in mf_fgets()
346 			(void) ungetc(c, infile);  in mf_fgets()
350 		if (infile == stdin) {  in mf_fgets()
354 		if (infile != NULL) {  in mf_fgets()
355 			(void) fclose(infile);  in mf_fgets()
451 		if ((infile = fopen(fname, "r")) == NULL) {  in mf_fgets()
465 	len = getline(&p, &plen, infile);  in mf_fgets()
515 	if (feof(infile) != 0 || (ch = getc(infile)) == EOF) {  in lastline()
539 	(void) ungetc(ch, infile);  in lastline()