xref: /titanic_51/usr/src/man/man9f/uwritec.9f (revision bbaa8b60dd95d714741fc474adad3cf710ef4efd)
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Copyright 1989 AT&T
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UWRITEC 9F "Jan 16, 2006"
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