SYSUIO.H(7) Miscellaneous Information Manual SYSUIO.H(7)
NAME
sys/uio.h —
definitions for vector I/O operations
SYNOPSIS
#include <sys/uio.h>
DESCRIPTION
The <sys/uio.h> header defines the
iovec structure that includes at least the following members:
void *iov_base base address of a memory region for input or output size_t iov_len the size of the memory pointed to by iov_base
The following are declared as functions and may also be defined as
macros. Function prototypes must be provided for use with an ISO C compiler.
ssize_t readv(int, const struct iovec *, int); ssize_t
writev(int, const struct iovec *, int);
APPLICATION USAGE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
February 1997 posix.fail