'\" te
.\" Copyright (c) 2006, Sun Microsystems, Inc., All Rights Reserved.
.\" Copyright 1989 AT&T
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.TH UWRITEC 9F "Jan 16, 2006"
.SH NAME
uwritec \- remove a character from a uio structure
.SH SYNOPSIS
.LP
.nf
#include <sys/uio.h>



\fBint\fR \fBuwritec\fR(\fBuio_t *\fR\fIuio_p\fR);
.fi

.SH INTERFACE LEVEL
.sp
.LP
Architecture independent level 1 (DDI/DKI)
.SH PARAMETERS
.sp
.ne 2
.na
\fB\fIuio_p\fR\fR
.ad
.RS 9n
Pointer to the \fBuio\fR(9S) structure
.RE

.SH DESCRIPTION
.sp
.LP
The \fBuwritec()\fR function returns a character from the \fBuio\fR structure
pointed to by \fIuio_p\fR and updates the \fBuio\fR structure. See
\fBuiomove\fR(9F).
.SH RETURN VALUES
.sp
.LP
The next character for processing is returned on success, and \fB-1\fR is
returned if \fBuio\fR is empty or if there is an error.
.SH CONTEXT
.sp
.LP
The \fBuwritec()\fR function can be called from user, interrupt, or kernel
context.
.SH SEE ALSO
.sp
.LP
\fBuiomove\fR(9F), \fBureadc\fR(9F), \fBiovec\fR(9S), \fBuio\fR(9S)
.sp
.LP
\fIWriting Device Drivers\fR