int conf_lex(YYSTYPE* lvalp, void* scanner);
#define select_yychar(__context) yychar == UNKNOWN ? ( (__context)->previous_token == END ? UNKNOWN : (__context)->previous_token ) : yychar
int conf_lex(YYSTYPE* lvalp, void* scanner);
#define select_yychar(__context) yychar == UNKNOWN ? ( (__context)->previous_token == END ? UNKNOWN : (__context)->previous_token ) : yychar