REG_ECTYPE         49 ext/ereg/regex/regex.h #define	REG_ECTYPE	 4
REG_ECTYPE         49 ext/mbstring/oniguruma/onigposix.h #define REG_ECTYPE           4
REG_ECTYPE         82 ext/pcre/pcrelib/pcreposix.h REG_ECTYPE,      /* bad class */