commit https://github.com/vim/vim/commit/8b5f65a527c353b9942e362e719687c3a7592309 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Sep 1 19:26:12 2015 +0200 patch 7.4.849 Problem: Moving the cursor in Insert mode starts new undo sequence. Solution: Add CTRL-G U to keep the undo sequence for the following cursor movement command. (Christian Brabandt)

/*
 * if_sniff.h Interface between Vim and SNiFF+
 */

#ifndef __if_sniff_h__
#define __if_sniff_h__

extern int  want_sniff_request;
extern int  sniff_request_waiting;
extern int  sniff_connected;
extern int  fd_from_sniff;
extern void sniff_disconnect __ARGS((int immediately));
extern void ProcessSniffRequests __ARGS((void));
extern void ex_sniff __ARGS((exarg_T *eap));

#endif