int imap_threaded_connect(Folder * folder, const char * server, int port);
int imap_threaded_connect_ssl(Folder * folder, const char * server, int port);
-struct mailimap_capability_data * imap_threaded_capability(Folder *folder, int *ok);
+int imap_threaded_capability(Folder *folder, struct mailimap_capability_data ** caps);
#ifndef G_OS_WIN32
int imap_threaded_connect_cmd(Folder * folder, const char * command,