xref: /titanic_51/usr/src/man/man9f/ureadc.9f (revision bbaa8b60dd95d714741fc474adad3cf710ef4efd)
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Copyright 1989 AT&T
Copyright (c) 2006, Sun Microsystems, Inc., All Rights Reserved
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UREADC 9F "Jan 16, 2006"
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