pidgin/pidgin

Use G_DECLARE_DERIVABLE_TYPE for PurpleConversation and additional cleanups

The setters for PurpleConversation are kind of crappy because of the
conversation cache in the purple_conversations api, which we'll address at a
later time.

Testing Done:
Compiled and ran locally, parted a chat and just signed out to verify no new issues.

Reviewed at https://reviews.imfreedom.org/r/613/
/*
* purple
*
* File: libc_internal.h
*
* Copyright (C) 2002-2003, Herman Bloggs <hermanator12002@yahoo.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*
*/
#ifndef PURPLE_WIN32_LIBC_INTERNAL
#define PURPLE_WIN32_LIBC_INTERNAL
#include <glib.h>
G_BEGIN_DECLS
/* sys/socket.h */
int wpurple_getsockname (int socket, struct sockaddr *addr, socklen_t *lenptr);
/* netdb.h */
struct hostent* wpurple_gethostbyname(const char *name);
/* fcntl.h */
int wpurple_fcntl(int socket, int command, ...);
#define F_GETFL 3
#define F_SETFL 4
#define O_NONBLOCK 04000
G_END_DECLS
#endif /* PURPLE_WIN32_LIBC_INTERNAL */