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

illumos January 16, 2006 UWRITEC(9F)