-extern int php_http_match(const char *haystack, const char *needle, int flags);
-extern char *php_http_pretty_key(char *key, size_t key_len, zend_bool uctitle, zend_bool xhyphen);
-extern size_t php_http_boundary(char *buf, size_t len TSRMLS_DC);
-extern int php_http_select_str(const char *cmp, int argc, ...);
+int php_http_match(const char *haystack, const char *needle, int flags);
+char *php_http_pretty_key(char *key, size_t key_len, zend_bool uctitle, zend_bool xhyphen);
+size_t php_http_boundary(char *buf, size_t len TSRMLS_DC);
+int php_http_select_str(const char *cmp, int argc, ...);