-static int init(int num, CURLM *cm, const char* url, const char* userpwd,
+static int init(int num, CURLM *cm, const char *url, const char *userpwd,
-static int loop(int num, CURLM *cm, const char* url, const char* userpwd,
+static int loop(int num, CURLM *cm, const char *url, const char *userpwd,