commit https://github.com/vim/vim/commit/286eacd3f6631e985089176fb1dff1bcf1a1d6b5 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 16 18:05:50 2016 +0100 patch 7.4.1106 Problem: The nsis script can't be used from the appveyor build. Solution: Add "ifndef" to allow for variables to be set from the command line. Remove duplicate SetCompressor command. Support using other gettext binaries. (Ken Takata) Update build instructions to use libintl-8.dll.

/*
 * 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