IS_SC_CLIENT
is->is_flags |= IS_SC_CLIENT;
is->is_flags &= ~(IS_SC_CLIENT|IS_SC_SERVER);
else if (((flags & (IS_SC_MATCHC|IS_SC_CLIENT)) == IS_SC_CLIENT) &&
is->is_flags &= ~IS_SC_CLIENT;
is->is_flags &= ~IS_SC_CLIENT;
is->is_flags &= ~IS_SC_CLIENT;
is->is_flags &= ~(IS_SC_SERVER|IS_SC_CLIENT);
is->is_flags &= ~IS_SC_CLIENT;
!(is->is_flags & (IS_SC_CLIENT|IS_SC_SERVER))) {
if (!(is->is_flags & IS_SC_CLIENT))
#define IS_SC_ALL (IS_SC_MATCHC|IS_SC_MATCHC|IS_SC_CLIENT|IS_SC_SERVER)