#define http_request(meth, url, body, opt, info, resp) _http_request_ex(NULL, (meth), (url), (body), (opt), (info), (resp) TSRMLS_CC)
#define http_request_ex(ch, meth, url, body, opt, info, resp) _http_request_ex((ch), (meth), (url), (body), (opt), (info), (resp) TSRMLS_CC)
#define http_request(meth, url, body, opt, info, resp) _http_request_ex(NULL, (meth), (url), (body), (opt), (info), (resp) TSRMLS_CC)
#define http_request_ex(ch, meth, url, body, opt, info, resp) _http_request_ex((ch), (meth), (url), (body), (opt), (info), (resp) TSRMLS_CC)