commit https://github.com/vim/vim/commit/ece61b06ef4726515177c9b293e1c20d2122a73f Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 20 21:39:05 2016 +0100 patch 7.4.1373 Problem: Calling a Vim function over a channel requires turning the arguments into a string. Solution: Add the "call" command. (Damien) Also merge "expr" and "eval" into one.

/*
 * 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(int immediately);
extern void ProcessSniffRequests(void);
extern void ex_sniff(exarg_T *eap);

#endif