257 	char	**comp = 0, **new, *str;  in makeFilterComp()  local
266 		comp = am(myself, 2 * sizeof (comp[0]));  in makeFilterComp()
267 		if (comp == 0)  in makeFilterComp()
269 		comp[0] = sdup(myself, T, filter);  in makeFilterComp()
270 		if (comp[0] == 0) {  in makeFilterComp()
271 			sfree(comp);  in makeFilterComp()
276 		return (comp);  in makeFilterComp()
293 			new = realloc(comp, (nc+1) * sizeof (comp[nc]));  in makeFilterComp()
295 				if (comp != 0) {  in makeFilterComp()
297 						sfree(comp[i]);  in makeFilterComp()
298 					free(comp);  in makeFilterComp()
299 					comp = 0;  in makeFilterComp()
304 			comp = new;  in makeFilterComp()
305 			comp[nc] = sdup(myself, T, &str[s]);  in makeFilterComp()
306 			if (comp[nc] == 0) {  in makeFilterComp()
308 					sfree(comp[i]);  in makeFilterComp()
309 				sfree(comp);  in makeFilterComp()
310 				comp = 0;  in makeFilterComp()
322 	return (comp);  in makeFilterComp()
326 freeFilterComp(char **comp, int numComps) {  in freeFilterComp()  argument
329 	if (comp == 0)  in freeFilterComp()
333 		sfree(comp[i]);  in freeFilterComp()
335 	free(comp);  in freeFilterComp()
339 addFilterComp(char *new, char **comp, int *numComps) {  in addFilterComp()  argument
344 		return (comp);  in addFilterComp()
349 	tmp = realloc(comp, ((*numComps)+1) * sizeof (comp[0]));  in addFilterComp()
355 	comp = tmp;  in addFilterComp()
356 	comp[*numComps] = str;  in addFilterComp()
359 	return (comp);  in addFilterComp()
363 concatenateFilterComps(int numComps, char **comp) {  in concatenateFilterComps()  argument
368 	if (numComps == 0 || comp == 0)  in concatenateFilterComps()
373 		if (comp[i] == 0)  in concatenateFilterComps()
375 		bp2buf(myself, &b, "(%s)", comp[i]);  in concatenateFilterComps()