wxChar *tcp = (wxChar *) NULL;
if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
(tcp = wxStrstr (dest, val)) != NULL)
wxChar *tcp = (wxChar *) NULL;
if (envname != WXSTRINGCAST NULL && (val = wxGetenv (WXSTRINGCAST envname)) != NULL &&
(tcp = wxStrstr (dest, val)) != NULL)