const char *s = dec->user_id; char *key_hint; char stop_char=0; size_t i=0;
const char *s = dec->user_id; char *key_hint;  if (s && dec->keyid) { char stop_char; size_t i = 0;
set_key_hint (struct decrypt_key_s * dec, HWND dlg, int ctrlid){    const char *s = dec->user_id;    char *key_hint;    char stop_char=0;    size_t i=0;    if (dec->user_id != NULL) {	key_hint = (char *)xmalloc (17 + strlen (dec->user_id) + 32);	if (strchr (s, '<') && strchr (s, '>'))	    stop_char = '<';	else if (strchr (s, '(') && strchr (s, ')'))	    stop_char = '(';	while (s && *s != stop_char)	    key_hint[i++] = *s++;	key_hint[i++] = ' ';	sprintf (key_hint+i, "(0x%s)", dec->keyid+8);    }    else	key_hint = xstrdup ("No key hint given.");    SendDlgItemMessage (dlg, ctrlid, CB_ADDSTRING, 0, 			(LPARAM)(const char *)key_hint);    SendDlgItemMessage (dlg, ctrlid, CB_SETCURSEL, 0, 0);    xfree (key_hint);}