1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
50 #define	NORMAL	000  macro
66 	int	c_width;	/* width or -1 if multi-column char. filler */
73 static int	mode;  variable
106 	while ((c = getopt(argc, argv, "it:T:")) != -1)  in main()
126 		/* No such terminal type - assume dumb */  in main()
153 	fprintf(stderr, "usage: ul [-i] [-t terminal] [file ...]\n");  in usage()
186 				col--;  in filter()
200 			mode |= ALTSET;  in filter()
204 			mode &= ~ALTSET;  in filter()
212 					mode |= SUPERSC;  in filter()
213 					halfpos--;  in filter()
215 					mode &= ~SUBSC;  in filter()
216 					halfpos--;  in filter()
225 					mode |= SUBSC;  in filter()
228 					mode &= ~SUPERSC;  in filter()
248 					col--;  in filter()
251 					obuf[col++].c_mode |= UNDERL | mode;  in filter()
280 					obuf[col + i].c_mode = mode;  in filter()
283 					obuf[col + i].c_width = -1;  in filter()
287 					obuf[col + i].c_mode |= UNDERL|mode;  in filter()
290 					obuf[col + i].c_width = -1;  in filter()
293 					obuf[col + i].c_mode |= BOLD|mode;  in filter()
297 					obuf[col + i].c_mode = mode;  in filter()
318 	lastmode = NORMAL;  in flushln()
333 			i += obuf[i].c_width - 1;  in flushln()
335 	if (lastmode != NORMAL) {  in flushln()
345 		upln--;  in flushln()
364 		case NORMAL:  in overstrike()
374 				i += obuf[i].c_width - 1;  in overstrike()
379 	for (*cp=' '; *cp==' '; cp--)  in overstrike()
402 		case NORMAL:	*cp++ = ' '; break;  in iattr()
410 	for (*cp=' '; *cp==' '; cp--)  in iattr()
421 	bzero((char *)obuf, buflen * sizeof(*obuf)); /* depends on NORMAL == 0 */  in initbuf()
424 	mode &= ALTSET;  in initbuf()
528 		if (curmode != NORMAL && newmode != NORMAL)  in setnewmode()
529 			setnewmode(NORMAL);  in setnewmode()
531 		case NORMAL:  in setnewmode()
533 			case NORMAL:  in setnewmode()