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+.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved 
+.TH "MQ_GETATTR" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\" mq_getattr 
+.SH NAME
+mq_getattr \- get message queue attributes (\fBREALTIME\fP)
+.SH SYNOPSIS
+.LP
+\fB#include <mqueue.h>
+.br
+.sp
+int mq_getattr(mqd_t\fP \fImqdes\fP\fB, struct mq_attr *\fP\fImqstat\fP\fB);
+\fP
+\fB
+.br
+\fP
+.SH DESCRIPTION
+.LP
+The \fImq_getattr\fP() function shall obtain status information and
+attributes of the message queue and the open message queue
+description associated with the message queue descriptor.
+.LP
+The \fImqdes\fP argument specifies a message queue descriptor.
+.LP
+The results shall be returned in the \fBmq_attr\fP structure referenced
+by the \fImqstat\fP argument.
+.LP
+Upon return, the following members shall have the values associated
+with the open message queue description as set when the
+message queue was opened and as modified by subsequent \fImq_setattr\fP()
+calls:
+\fImq_flags\fP.
+.LP
+The following attributes of the message queue shall be returned as
+set at message queue creation: \fImq_maxmsg\fP,
+\fImq_msgsize\fP.
+.LP
+Upon return, the following members within the \fBmq_attr\fP structure
+referenced by the \fImqstat\fP argument shall be set to
+the current state of the message queue:
+.TP 7
+\fImq_curmsgs\fP
+The number of messages currently on the queue.
+.sp
+.SH RETURN VALUE
+.LP
+Upon successful completion, the \fImq_getattr\fP() function shall
+return zero. Otherwise, the function shall return -1 and set
+\fIerrno\fP to indicate the error.
+.SH ERRORS
+.LP
+The \fImq_getattr\fP() function shall fail if:
+.TP 7
+.B EBADF
+The \fImqdes\fP argument is not a valid message queue descriptor.
+.sp
+.LP
+\fIThe following sections are informative.\fP
+.SH EXAMPLES
+.LP
+None.
+.SH APPLICATION USAGE
+.LP
+None.
+.SH RATIONALE
+.LP
+None.
+.SH FUTURE DIRECTIONS
+.LP
+None.
+.SH SEE ALSO
+.LP
+\fImq_open\fP() , \fImq_send\fP() , \fImq_setattr\fP() , \fImq_timedsend\fP()
+, \fImsgctl\fP() , \fImsgget\fP() , \fImsgrcv\fP() , \fImsgsnd\fP()
+, the Base Definitions volume of IEEE\ Std\ 1003.1-2001, \fI<mqueue.h>\fP
+.SH COPYRIGHT
+Portions of this text are reprinted and reproduced in electronic form
+from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
+-- Portable Operating System Interface (POSIX), The Open Group Base
+Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
+Electrical and Electronics Engineers, Inc and The Open Group. In the
+event of any discrepancy between this version and the original IEEE and
+The Open Group Standard, the original IEEE and The Open Group Standard
+is the referee document. The original Standard can be obtained online at
+http://www.opengroup.org/unix/online.html .