128 static	int	fnum,		/* which file argument we're in */  variable
326 	while (fnum < nfiles) {  in main()
327 		if (strcmp(fnames[fnum], "") == 0)  in main()
328 			fnames[fnum] = "-";  in main()
329 		if ((in_file = checkf(fnames[fnum])) == NULL) {  in main()
331 			fnum++;  in main()
335 				fnum += screen(fnames[fnum]);  in main()
340 					(void) fputs(fnames[fnum], stdout);  in main()
345 				fnum++;  in main()
1098 	if (fnum + nskip < 0) {
1099 		nskip = -fnum;
1104 	if (fnum + nskip > nfiles - 1) {
1105 		nskip = (nfiles - 1) - fnum;