25.2.3.1 io_write
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.
Parameters
- descr
-
An I/O descriptor to write
- buf
-
Type: const uint8_t *const
The buffer pointer to story the write data
- length
-
Type: const uint16_t
The number of bytes to write
Returns
Type: int32_t
The number of bytes written