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)