103 compile(const char *instr, char *expbuf, char *endbuf)  in compile()  argument
105 	return (dhl_compile(instr, expbuf, endbuf));  in compile()
109 step(const char *instr, const char *expbuf)  in step()  argument
111 	return (dhl_step(instr, expbuf));  in step()
115 advance(const char *instr, const char *expbuf)  in advance()  argument
117 	return (dhl_advance(instr, expbuf));  in advance()
141 dhl_compile(instr, expbuf, endbuf)  in dhl_compile()  argument
143 char *expbuf;			/* where the compiled RE gets placed	*/
159 	if (expbuf == NULL) {
160 		if ((expbuf = malloc(regexc_size)) == NULL) {
166 		endbuf = expbuf + regexc_size;
168 		if (expbuf + regexc_size > endbuf) {
172 		memcpy(&reg_comp, expbuf, regexc_size);
234 	(void) memcpy(expbuf, (char *) &reg_comp, regexc_size);
245 			free(expbuf);
251 		return (expbuf);
253 		return (expbuf + regexc_size);