PATHHardware Documentation > USB Devices > Mac OS USB DDK API Reference

USL Functions

This section describes the functions in the USB Services Library.

USB Configuration Functions

Generalized USB Device Request Function

USB Transaction Functions

Pipe State Control Functions

USB Management Services Functions

USB Time Utility Functions

USB Memory Functions

Byte Ordering (Endianism) Functions

USL Logging Services Functions

USB Descriptor Functions

Opening a Pipe

Device Management Functions

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