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
SunOS 5.11 16 Jan 2006 uwritec(9F)
