I/O write interface.
int32_t io_write( struct io_descriptor *const io_descr, const uint8_t *const buf, const uint16_t length )
This function writes up to length of bytes to a given I/O descriptor. It returns the number of bytes actually write.
An I/O descriptor to write
Type: const uint8_t *const
The buffer pointer to story the write data
Type: const uint16_t
The number of bytes to write
Type: int32_t
The number of bytes written