REGISTER_MAIN_LONG_CONSTANT("PHP_MAXPATHLEN", MAXPATHLEN, CONST_PERSISTENT | CONST_CS);
REGISTER_MAIN_LONG_CONSTANT("PHP_INT_MAX", LONG_MAX, CONST_PERSISTENT | CONST_CS);
REGISTER_MAIN_LONG_CONSTANT("PHP_INT_SIZE", sizeof(long), CONST_PERSISTENT | CONST_CS);
+#ifdef ZEND_MULTIBYTE
+ REGISTER_MAIN_LONG_CONSTANT("ZEND_MULTIBYTE", 1, CONST_PERSISTENT | CONST_CS);
+#else
+ REGISTER_MAIN_LONG_CONSTANT("ZEND_MULTIBYTE", 0, CONST_PERSISTENT | CONST_CS);
+#endif
#ifdef PHP_WIN32
REGISTER_MAIN_LONG_CONSTANT("PHP_WINDOWS_VERSION_MAJOR", EG(windows_version_info).dwMajorVersion, CONST_PERSISTENT | CONST_CS);