int checkChannelVisibility(struct ChanNode* chan) {
struct ChanUser *chanuser, *next;
for(chanuser = getChannelUsers(chan, NULL); chanuser; chanuser = getChannelUsers(chan, chanuser)) {
int checkChannelVisibility(struct ChanNode* chan) {
struct ChanUser *chanuser, *next;
for(chanuser = getChannelUsers(chan, NULL); chanuser; chanuser = getChannelUsers(chan, chanuser)) {