#define IsMember(who, chan) ((who && who->user && \
find_channel_membership(chan, who)) ? 1 : 0)
-#define IsChannelName(name) ((name) && (*(name) == '#' || *(name) == '&'))
+#define IsChannelName(name) ((name) && (IsChanPrefix(*(name))))
/* extban function results */
#define EXTBAN_INVALID -1 /* invalid mask, false even if negated */