+#define http_guess_content_type(mf, mm, d, l, m) _http_guess_content_type((mf), (mm), (d), (l), (m) TSRMLS_CC)
+PHP_HTTP_API char *_http_guess_content_type(const char *magic_file, long magic_mode, void *data_ptr, size_t data_len, http_send_mode mode TSRMLS_DC);
+