56 #define	PLACE(c)	ep[c >> 3] |= bittab[c & 07]
57 #define	ISTHERE(c)	(ep[c >> 3] & bittab[c & 07])
72 int advance(const char *lp, const char *ep);
76 compile(char *instring, char *ep, const char *endbuf, int seof)  in compile()  argument
101 		if (*ep == 0 && !sed)  in compile()
103 		RETURN(ep);  in compile()
112 		if (ep >= endbuf)  in compile()
116 			lastep = ep;  in compile()
118 			*ep++ = CCEOF;  in compile()
121 			RETURN(ep);  in compile()
126 			*ep++ = CDOT;  in compile()
132 				*ep++ = CCEOF;  in compile()
136 				RETURN(ep);  in compile()
148 			*ep++ = CDOL;  in compile()
152 			if (&ep[17] >= endbuf)  in compile()
155 			*ep++ = CCL;  in compile()
158 				ep[i] = 0;  in compile()
172 					if (&ep[32] >= endbuf)  in compile()
174 					ep[-1] = CXCL;  in compile()
176 						ep[i] = 0;  in compile()
185 						if (&ep[32] >= endbuf)  in compile()
187 						ep[-1] = CXCL;  in compile()
189 							ep[i] = 0;  in compile()
209 						ep[cclcnt] ^= 0377;  in compile()
210 					ep[0] &= 0376;  in compile()
212 					ep[-1] = NCCL;  in compile()
214 					ep[0] |= 01;  in compile()
218 			ep += iflag;  in compile()
229 				*ep++ = CBRA;  in compile()
230 				*ep++ = (char)nbra++;  in compile()
236 				*ep++ = CKET;  in compile()
237 				*ep++ = *--bracketp;  in compile()
257 				*ep++ = (char)i;  in compile()
262 						*ep++ = (char)255;  in compile()
272 					*ep++ = (char)i;  in compile()
273 				else if ((ep[-1] & 0377) < (ep[-2] & 0377))  in compile()
288 					*ep++ = CBACK;  in compile()
289 					*ep++ = (char)c;  in compile()
299 			lastep = ep;  in compile()
300 			*ep++ = CCHR;  in compile()
301 			*ep++ = (char)c;  in compile()
341 advance(const char *lp, const char *ep)  in advance()  argument
351 		switch (*ep++) {  in advance()
354 			if (*ep++ == *lp++)  in advance()
379 				ep += 32;  in advance()
392 				ep += 16;  in advance()
399 			braslist[*ep++] = (char *)lp;  in advance()
404 			braelist[*ep++] = (char *)lp;  in advance()
409 			c = *ep++;  in advance()
410 			getrnge(ep);  in advance()
420 			ep += 2;  in advance()
425 			getrnge(ep);  in advance()
435 			ep += 2;  in advance()
440 			getrnge(ep + 32);  in advance()
454 			ep += 34;		/* 32 + 2 */  in advance()
463 			getrnge(ep + 16);  in advance()
477 			ep += 18;		/* 16 + 2 */  in advance()
482 			bbeg = braslist[*ep];  in advance()
483 			ct = braelist[*ep++] - bbeg;  in advance()
493 			bbeg = braslist[*ep];  in advance()
494 			ct = braelist[*ep++] - bbeg;  in advance()
500 				if (advance(lp, ep))  in advance()
516 			while (*lp++ == *ep)  in advance()
518 			ep++;  in advance()
527 			ep += 32;  in advance()
540 			ep += 16;  in advance()
548 				if (advance(lp, ep))  in advance()