> for (door = 0; door < NUM_OF_DIRS; door++)
> if (EXIT(ch, door) && EXIT(ch, door)->to_room != NOWHERE &&
> !IS_SET(EXIT(ch, door)->exit_info, EX_CLOSED)){
> sprintf(buf, "%s%c ", buf, LOWER(*dirs[door]));
> }
> sprintf(buf2, "%s[ Exits: %s]%s\r\n", CCCYN(ch, C_NRM),
> +-> *buf ? buf : "None! ", CCNRM(ch, C_NRM));
> | send_to_char(buf2, ch);
> Would someone please explain to me what this line does? It is from
> act.informative.c, in the autoexit code, around line 300
If no exits are found in the room, the variable 'buf' will be '\0', so it
prints "None" instead of printing the variable itself.
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