Avoid creating implicit memcpy()s

src/hci/mucurses/print.c

  * @ret rc	return status code
  */
 int vw_printw ( WINDOW *win, const char *fmt, va_list varglist ) {
-	struct printw_context wctx = {
-		.win = win,
-		.ctx = { .handler = _printw_handler, },
-	};
+	struct printw_context wctx;
 
+	wctx.win = win;
+	wctx.ctx.handler = _printw_handler;
 	vcprintf ( &(wctx.ctx), fmt, varglist );
 	return OK;
 }

src/hci/readline.c

  */
 char * readline ( const char *prompt ) {
 	char buf[READLINE_MAX];
-	struct edit_string string = {
-		.buf = buf,
-		.len = sizeof ( buf ),
-		.cursor = 0,
-	};
+	struct edit_string string;
 	int key;
 	char *line;
 
 	if ( prompt )
 		printf ( "%s", prompt );
 
+	memset ( &string, 0, sizeof ( string ) );
+	string.buf = buf;
+	string.len = sizeof ( buf );
 	buf[0] = '\0';
+
 	while ( 1 ) {
 		key = edit_string ( &string, getkey() );
 		sync_console ( &string );