my_free_mc(struct mntentchn *mc) {
	if (mc) {
		my_free(mc->m.mnt_fsname);
		my_free(mc->m.mnt_dir);
		my_free(mc->m.mnt_type);
		my_free(mc->m.mnt_opts);
		free(mc);
	}
}
my_free_mc(struct mntentchn *mc) {
	if (mc) {
		my_free(mc->m.mnt_fsname);
		my_free(mc->m.mnt_dir);
		my_free(mc->m.mnt_type);
		my_free(mc->m.mnt_opts);
		free(mc);
	}
}