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>usb_control_msg</H1
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>Name</H2
>usb_control_msg -- Send a control message to a device</DIV
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>Description</H2
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><CODE
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>int usb_control_msg</CODE
>(usb_dev_handle *dev, int requesttype, int request, int value, int index, char *bytes, int size, int timeout);</CODE
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>usb_control_msg</CODE
> performs a control request to the default control pipe on a device. The parameters mirror the types of the same name in the USB specification. Returns number of bytes written/read or < 0 on error.</P
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