318 	char mac[5];	/* The current macro or nroff command */  in process()  local
327 			strncpy(mac, line+1, 4);  in process()
328 			mac[4] = '\0';  in process()
329 			if (isspace((unsigned char)mac[0])) {  in process()
332 			} else if (isspace((unsigned char)mac[1])) {  in process()
333 				mac[1] = 0;  in process()
334 			} else if (isspace((unsigned char)mac[2])) {  in process()
335 				mac[2] = 0;  in process()
336 			} else if (mac[0] != '\\' || mac[1] != '\"') {  in process()
344 			checkknown(mac);  in process()
349 			if (eq(mac, "de"))  in process()
352 			chkcmd(mac);  in process()
442 chkcmd(const char *mac)  in chkcmd()  argument
449 	if (stktop >= 0 && eq(mac, br[stk[stktop].opno].clbr))  in chkcmd()
454 			if (eq(mac, br[i].opbr)) {  in chkcmd()
469 			if (eq(mac, br[i].clbr)) {  in chkcmd()
470 				nomatch(mac);  in chkcmd()
478 nomatch(const char *mac)  in nomatch()  argument
488 		if (eq(mac,br[stk[j].opno].clbr)) {  in nomatch()
518 	printf("Unmatched .%s\n", mac);  in nomatch()
538 checkknown(const char *mac)  in checkknown()  argument
541 	if (eq(mac, "."))  in checkknown()
543 	if (binsrch(mac) >= 0)  in checkknown()
545 	if (mac[0] == '\\' && mac[1] == '"')	/* comments */  in checkknown()
549 	printf("Unknown command: .%s\n", mac);  in checkknown()
558 	char *mac;  in addcmd()  local
561 	mac = line+4;  in addcmd()
562 	while (isspace((unsigned char)*mac))  in addcmd()
563 		mac++;  in addcmd()
564 	if (*mac == 0) {  in addcmd()
569 	mac[2] = 0;  in addcmd()
570 	if (isspace((unsigned char)mac[1]) || mac[1] == '\\')  in addcmd()
571 		mac[1] = 0;  in addcmd()
576 	addmac(mac);  in addcmd()
587 addmac(const char *mac)  in addmac()  argument
591 	if (binsrch(mac) >= 0){	/* it's OK to redefine something */  in addmac()
593 		printf("binsrch(%s) -> already in table\n", mac);  in addmac()
599 	printf("binsrch(%s) -> %d\n", mac, slot);  in addmac()
606 	if ((*loc = strdup(mac)) == NULL)  in addmac()
621 binsrch(const char *mac)  in binsrch()  argument
633 		d = p[0] - mac[0];  in binsrch()
635 			d = p[1] - mac[1];  in binsrch()