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waveInGetNumDevs

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The waveInGetNumDevs function returns the number of waveform-audio input devices present in the system.

UINT waveInGetNumDevs(VOID);

Parameters

This function takes no parameters.

Return Values

Returns the number of devices. A return value of zero means that no devices are present or that an error occurred.

Requirements

**  Windows NT/2000/XP:** Included in Windows NT 3.1 and later.
**  Windows 95/98/Me:** Included in Windows 95 and later.
**  Header:** Declared in Mmsystem.h; include Windows.h.
**  Library:** Use Winmm.lib.

See Also

Waveform Audio, Waveform Functions