xref: /illumos-gate/usr/src/man/man9s/iovec.9s (revision 3299f39fdcbdab4be7a9c70daa3873f2b78a398d)
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Copyright 1989 AT&T
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IOVEC 9S "Apr 11, 1991"
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