Function nh_getenv

src/options.c:6847–6856

# errors: OPTIONS=aaaaaaaaaa[ more than 247 (255 - 8 for 'OPTIONS=') total ]aaaaaaaaaa OPTIONS OPTIONS= MSGTYPE=stop"You swap places with " MSGTYPE=st.op "You swap places with " MSGTYPE=stop "You swap places with \" MENUCOLOR=" blessed "green&none MENUCOLOR=" holy " = green&reverse MENUCOLOR=" cursed " = red&uline MENUCOLOR=" unholy " = reed OPTIONS=!legacy:true,fooo OPTIONS=align:!pin OPTIONS=gen

 * bounds-check itself.
 */
char *
nh_getenv(const char *ev)
{
    char *getev = getenv(ev);

    if (getev && strlen(getev) <= (BUFSZ / 2))
        return getev;
    else
        return (char *) 0;
}

/* copy up to maxlen-1 characters; 'dest' must be able to hold maxlen;
   treat comma as alternate end of 'src' */