return;
void do_sftp(void) {    /*     * Do protocol initialisation.      */    if (!fxp_init()) {	fprintf(stderr,		"Fatal: unable to initialise SFTP: %s\n",		fxp_error());    }    /*     * Find out where our home directory is.     */    homedir = fxp_realpath(".");    if (!homedir) {	fprintf(stderr,		"Warning: failed to resolve home directory: %s\n",		fxp_error());	homedir = dupstr(".");    } else {	printf("Remote working directory is %s\n", homedir);    }    pwd = dupstr(homedir);    /* ------------------------------------------------------------------     * Now we're ready to do Real Stuff.     */    while (1) {	struct sftp_command *cmd;	cmd = sftp_getcmd();	if (!cmd)	    break;	if (cmd->obey(cmd) < 0)	    break;    }}