.TH RCCE 3  2010-02-04 "RCCE MANPAGE" "RCCE Library"
.SH NAME
RCCE_comm_rank \- stores the sequence number of the calling UE. 
.SH SYNOPSIS
.B #include <rcce.h>
.sp

.BI "int RCCE_comm_size(RCCE_COMM " comm ", int * "rank );

.SH DESCRIPTION
.BR RCCE_comm_rank() 
stores the sequence number of the calling UE within communicator comm in the integer rank.

.TP 20
.B comm
The communicator containing the UE whose sequence number the call stores in the integer rank.

.TP
.B rank 
The sequence number of the calling UE. 

.SH "RETURN VALUE"
Upon successful completion
.BR RCCE_comm_size()
returns
.BR RCCE_SUCCESS .

.SH ERRORS
Look in 
.BR rcce.h
for additional error codes.

.SH "SEE ALSO"
rcce.h(5)

.SH EXAMPLE