Data Structures for Drivers                             iovec(9S)



NAME
     iovec - data storage structure for I/O using uio

SYNOPSIS
     #include 


INTERFACE LEVEL
     Architecture independent level 1 (DI/DKI).

DESCRIPTION
     An  iovec  structure  describes  a  data  storage  area  for
     transfer  in  a  uio(9S) structure.  Conceptually, it can be
     thought of as a base address and length specification.

STRUCTURE MEMBERS
       caddrt    iovbase;  /* base address of the data storage area */
                             /* represented by the iovec structure */
       int        iovlen;   /* size of the data storage area in bytes */


SEE ALSO
     uio(9S)


     Writing Device Drivers





























SunOS 5.11          Last change: 11 Apr 1991                    1