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

NAME

ureadc - add character to a uio structure

SYNOPSIS

#include <sys/uio.h>
#include <sys/types.h>


int ureadc(int c, uio_t *uio_p);

INTERFACE LEVEL

Architecture independent level 1 (DDI/DKI).

PARAMETERS

c
The character added to the uio(9S) structure.


uio_p
Pointer to the uio(9S) structure.

DESCRIPTION

The ureadc() function transfers the character c into the address space of
the uio(9S) structure pointed to by uio_p, and updates the uio structure
as for uiomove(9F).

RETURN VALUES

0 is returned on success and EFAULT on failure.

CONTEXT

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

SEE ALSO

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


Writing Device Drivers

January 16, 2006 UREADC(9F)