UWRITEC(9F) Kernel Functions for Drivers UWRITEC(9F)

NAME

uwritec - remove a character from a uio structure

SYNOPSIS

#include <sys/uio.h>


int uwritec(uio_t *uio_p);

INTERFACE LEVEL

Architecture independent level 1 (DDI/DKI)

PARAMETERS

uio_p
Pointer to the uio(9S) structure

DESCRIPTION

The uwritec() function returns a character from the uio structure pointed
to by uio_p and updates the uio structure. See uiomove(9F).

RETURN VALUES

The next character for processing is returned on success, and -1 is
returned if uio is empty or if there is an error.

CONTEXT

The uwritec() function can be called from user, interrupt, or kernel
context.

SEE ALSO

uiomove(9F), ureadc(9F), iovec(9S), uio(9S)


Writing Device Drivers

January 16, 2006 UWRITEC(9F)