qboolean Curl_Begin_ToFile(const char *URL, double maxspeed, const char *name, qboolean ispak, qboolean forthismap);
qboolean Curl_Begin_ToMemory(const char *URL, double maxspeed, unsigned char *buf, size_t bufsize, curl_callback_t callback, void *cbdata);
qboolean Curl_Begin_ToFile(const char *URL, double maxspeed, const char *name, qboolean ispak, qboolean forthismap);
qboolean Curl_Begin_ToMemory(const char *URL, double maxspeed, unsigned char *buf, size_t bufsize, curl_callback_t callback, void *cbdata);