mpcopy
mpcopy(mountpoints, omountpoints);
mpcopy(omountpoints, mountpoints);
mpcopy(origmountpoints, mountpoints);
mpcopy(tmpmountpoints, omountpoints);
mpcopy(omountpoints, mountpoints);
mpcopy(tmpmountpoints, mountpoints);
mpcopy(mountpoints, origmountpoints);
mpcopy(omountpoints, tmpmountpoints);
mpcopy(tmpmountpoints, mountpoints);
mpcopy(mountpoints, omountpoints);
mpcopy(omountpoints, tmpmountpoints);
mpcopy(omountpoints, tmpmountpoints);
void mpcopy(char **, char **);