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.\" Copyright (C) 2006 Michael Kerrisk <mtk.manpages@gmail.com>
.\"
.\" SPDX-License-Identifier: Linux-man-pages-copyleft
.\"
.TH mq_getsetattr 2 2023-10-31 "Linux man-pages 6.7"
.SH NAME
mq_getsetattr \- get/set message queue attributes
.SH SYNOPSIS
.nf
.BR "#include <mqueue.h>" " /* Definition of " "struct mq_attr" " */"
.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */"
.B #include <unistd.h>
.P
.BI "int syscall(SYS_mq_getsetattr, mqd_t " mqdes ,
.BI " const struct mq_attr *" newattr ", struct mq_attr *" oldattr );
.fi
.SH DESCRIPTION
Do not use this system call.
.P
This is the low-level system call used to implement
.BR mq_getattr (3)
and
.BR mq_setattr (3).
For an explanation of how this system call operates,
see the description of
.BR mq_setattr (3).
.SH STANDARDS
None.
.SH NOTES
Never call it unless you are writing a C library!
.SH SEE ALSO
.BR mq_getattr (3),
.BR mq_overview (7)
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