onestep 9 movingobject.c void(*onestep)(movingobject* obj), onestep 16 movingobject.c ret->onestep = onestep; onestep 12 movingobject.h void (*onestep)(struct movingobject* obj); onestep 21 movingobject.h void(*onestep)(movingobject* obj), onestep 76 movingobjectmanager.c mobj->onestep(mobj);