This function is the asynchronous analog of
.BR write (2).
The arguments of the call
-
+.PP
write(fd, buf, count)
-
+.PP
correspond (in order) to the fields
.IR aio_fildes ,
.IR aio_buf ,
.\" or the control block of the operation
must not be accessed during the operation or undefined results may occur.
The memory areas involved must remain valid.
-
+.PP
Simultaneous I/O operations specifying the same
.I aiocb
structure produce undefined results.