environment variables, return -1 on error.

fixing MENU_IsMenuActive() and therefore VK_F1 WM_HELP message
generation.

then the value returned by snd_pcm_delay() is not usable so assume
delay=0. This gets the winmm test to complete in interactive mode with
winealsa.

independent.
Set the sound and listener velocity and increase the sound source
velocity so we may get some doppler effect.
Added some traces so one can monitor the listener/sound positions with
WINETEST_DEBUG=3.

expected value.

msi.dll.

actual headers received, not just reconstituting them from processed
data.

the number of samples played plus one (also one extra sample for the
byte count).

Fixes the corresponding winmm conformance test.

only with Install.

Adds more reference count checks.

kernel32.ExpandEnvironmentStringsA/W.

values.

simple and partly because it's going to fail since we did not request
DSBCAPS_CTRL3D. Fixes a crash on Windows.
Don't request unneeded caps.

(LC_CTYPE on Unix).

fixes a bug where buffer_service() would not detect that everything
had been played.
Check that the actual sound duration was within 10% of the expected
value.
Make BUFFER_LEN and TIME_SLICE independent, make sure TIME_SLICE does
not divide BUFFER_LEN to spice things up a bit.

behavior.

DirectSound object. Fixes a crash on Windows.

SetPan().