The aio_write() function shall write aio_nbytes to the files associated with aio_fildes from the buffer pointer to by aio_buf. If O_APPEND is set for the file descripton, write operations append to the file in the same order as the calls were made. aio_lio_opcode shall be ignored. For regular files, no data transfer shall occur past the offset maximum established in the open file description associated with aio_fildes. The aio_write() function shall return the value zero if operation is successfuly queued. The aio_write() function shall return the value -1 and set errno to indicate error if the operation is not successfully queued. aio_write() shall fail with [EAGAIN] if: The requested AIO operation was not queued to the system due to system resource limitations. aio_write() shall fail or the error status of the operation shall be [EBADF] if: aio_fildes argument is not a valid file descriptor open for writing. aio_write() shall fail or the error status of the operation shall be [EINVAL] if: aio_offset would be invalid, or aio_reqprio is not a valid value, or aio_nbytes is an invalid value. The error status of a successfully queued operation shall be: [EBADF] if the aio_fildes argument is not a valid file descriptor open for writing. The error status of a successfully queued operation shall be: [EINVAL] if aio_offset would be invalid, or aio_reqprio is not a valid value, or aio_nbytes is an invalid value. The error status of a successfully queued operation shall be: [ECANCELED] The requested I/O was canceled before the I/O completed. aio_write() shall fail or the error status of the operation shall be [EFBIG]: if aio_nbytes is greater than 0 and aio_offset is at or beyond the offset maximum of aio_fildes.