Kernel Functions for Drivers                           ureadc(9F)



NAME
     ureadc - add character to a uio structure

SYNOPSIS
     #include 
     #include 



     int ureadc(int c, uiot *uiop);


INTERFACE LEVEL
     Architecture independent level 1 (DI/DKI).

PARAMETERS
     c        The character added to the  uio(9S) structure.


     uiop    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 uiop,
     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
















SunOS 5.11          Last change: 16 Jan 2006                    1