## MMPM/2 Device Driver Reference

[prev][next][parent][TOC]

### AUDIO_HPI (46h) - Returns

An address is returned in pvEntry () in the MCI_AUDIO_HPI structure that can be used to invoke audio device driver functions directly. NULL is returned if this function is not available in the current environment.

Refer to the OS/2 Control Program Guide and Reference for more information on the return code for DosDevIOCtl.