439 static char_u *reg(int paren, int *flagp);
2356     int		paren,	// REG_NOPAREN, REG_PAREN, REG_NPAREN or REG_ZPAREN  in reg()  argument
2368     if (paren == REG_ZPAREN)  in reg()
2379 	if (paren == REG_PAREN)  in reg()
2388     else if (paren == REG_NPAREN)  in reg()
2425 	    paren == REG_ZPAREN ? ZCLOSE + parno :  in reg()
2427 	    paren == REG_PAREN ? MCLOSE + parno :  in reg()
2428 	    paren == REG_NPAREN ? NCLOSE : END);  in reg()
2436     if (paren != REG_NOPAREN && getchr() != Magic(')'))  in reg()
2439 	if (paren == REG_ZPAREN)  in reg()
2443 	    if (paren == REG_NPAREN)  in reg()
2448     else if (paren == REG_NOPAREN && peekchr() != NUL)  in reg()
2458     if (paren == REG_PAREN)  in reg()