func UnmapNamedBuffer(buffer uint32) bool {
	ret, _, _ := syscall.Syscall(gpUnmapNamedBuffer, 1, uintptr(buffer), 0, 0)
	return ret != 0
}
func UnmapNamedBuffer(buffer uint32) bool {
	ret, _, _ := syscall.Syscall(gpUnmapNamedBuffer, 1, uintptr(buffer), 0, 0)
	return ret != 0
}
func UnmapNamedBuffer ( buffer uint32 ) bool { ret , _ , _ := syscall . Syscall ( gpUnmapNamedBuffer , 1 , uintptr ( buffer ) , 0 , 0 ) return ret != 0 }
// release the mapping of a buffer object's data store into the client's address space
release the mapping of a buffer object s data store into the client s address space