iovec(9S)

NAME

     iovec - data storage structure for I/O using uio

SYNOPSIS

     #include <sys/uio.h>

INTERFACE LEVEL

     Architecture independent level 1 (DDI/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

     caddr_t    iov_base;  /* base address of the data storage area */
                           /* represented by the iovec structure */
     int        iov_len;   /* size of the data storage area in bytes */

SEE ALSO

     uio(9S)

     Writing Device Drivers