.TH getbuffer  3 "R1c" "Silicon Graphics"
.SH NAME
.I getbuffer
- indicate which buffers are enabled for writing
.SH SYNOPSIS
.nf
.TP \w'FORTRAN\ \ \ 'u
C
.B "short getbuffer()"
.IP 
.TP \w'FORTRAN\ \ \ 'u
FORTRAN
.B "integer*2 function getbuf()"
.IP 
.TP \w'FORTRAN\ \ \ 'u
Pascal
.B "function getbuffer: Short;"
.sp
.SH DESCRIPTION
.I Getbuffer
indicates which buffers are enabled for writing.  \f31\f1, the
default, means that the back buffer is enabled, \f32\f1 means that
the front buffer is enabled, and \f33\f1 means that both are
enabled.  \f2Getbuffer\f1 returns 
.B 0
if neither buffer is enabled
or the IRIS is not in double buffer mode.
.SH "SEE ALSO"
.I backbuffer, doublebuffer, frontbuffer

.SH NOTE
This command can only be used in immediate mode.