Set bit flag. Called internally.

Unmap memory pages for the given number of spans (or mark as unused if no partial unmappings)

Private helper to decrement a subsystem's ref counter.

Private helper to increment a subsystem's ref counter.

Set the last error for a device to be reported by hid_error(dev). * The given error message will be copied (and decoded according to the * currently

The audio backends call this when a new device is plugged in.

Set the last error for a device to be reported by hid_error(dev). * The given error message will be copied (and decoded according to the * currently

* Like strerror but for force feedback errors. */

These are *NOT* roundtrip safe! */

Return height.

Called when a device is removed from the system, or it fails unexpectedly, from any thread, possibly even the audio device's thread.

* Add two integers, checking for overflow. * * If `a + b` would overflow, return -1. * * Otherwise store `a + b` via ret and return 0. * * \para

Convert a DirectInput return code to a text message

Return width.

Return float data.

Set as undefined to allow the next merge to set initial size.

Return whether key was pressed this frame.