F_WALL
if (f->f_type != F_USERS && f->f_type != F_WALL &&
case F_WALL:
((f->f_type == F_USERS) || (f->f_type == F_WALL)) ?
if ((f->f_type == F_USERS) || (f->f_type == F_WALL)) {
if (f->f_type == F_WALL) {
case F_WALL:
f->f_type = F_WALL;
if (f->f_type == F_USERS || f->f_type == F_WALL ||