REG_ECTYPE         49 ext/mbstring/oniguruma/onigposix.h #define REG_ECTYPE           4
REG_ECTYPE         78 ext/pcre/pcrelib/pcreposix.h REG_ECTYPE,      /* bad class */
REG_ECTYPE         47 regex/regex.h  #define	REG_ECTYPE	 4