STRING            426 Zend/zend_operators.h #define convert_to_string_ex(ppzv)	convert_to_ex_master(ppzv, string, STRING)
STRING           1318 ext/imap/php_imap.c 	STRING st;
STRING            401 ext/pcre/pcrelib/pcre_compile.c #define XSTRING(s) STRING(s)
STRING             61 ext/pcre/pcrelib/pcre_version.c #define XSTRING(s) STRING(s)
STRING            762 ext/pdo_mysql/mysql_statement.c         PDO_MYSQL_NATIVE_TYPE_NAME(STRING)