getversion
char *getversion(void);
debugmsg(DM_MISC, "%s", getversion());
printf("%s\n", getversion());
printf("%s\n", getversion());
printf("%s\n", getversion());
environ_set(env, "TERM_PROGRAM_VERSION", 0, "%s", getversion());
return (xstrdup(getversion()));
getversion());
(long)getpid(), getversion(), socket_path, PROTOCOL_VERSION);
printf("tmux %s\n", getversion());