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uiomove(9F)

ureadc(9F)

iovec(9S)

uio(9S)

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). 

ARGUMENTS

uio_p Pointer to the uio(9S) structure. 

DESCRIPTION

uwritec() returns a character from the uio structure pointed to by uio_p, and updates the uio structure as for uiomove(9F). 

RETURN VALUES

The next character for processing is returned on success, and -1 is returned if uio is empty or there is an error. 

CONTEXT

uwritec() can be called from user or interrupt context. 

SEE ALSO

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

Writing Device Drivers

SunOS 5.5/x86  —  Last change: 11 Apr 1991

Typewritten Software • bear@typewritten.org • Edmonds, WA 98026