cdev_write()

Write data from a supplied buffer to a device

Synopsis:

#include <qvm/cdev.h>
int cdev_write(struct cdev_state *cds,
               const uint8_t *data,
               unsigned len)

Arguments:

cds
A pointer to a structure with the character device state (see cdev_state).
data
A pointer to the buffer of data to be written.
len
The number of bytes of data to be written.

Description:

Use this function to write data from your own buffer to the specified host device.

Returns:

If successful, the number of bytes actually written to the device; otherwise, a negative errno value.

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