.\" Copyright 1996, Andries E. Brouwer <aeb@cwi.nl>
.\" Copyright 2010, Jan Kara <jack@suse.cz>
.\" Copyright 2010, Michael Kerrisk <mtk.manpages@gmail.com>
.\" Copyright, the authors of the Linux man-pages project
.\"
.\" SPDX-License-Identifier: Linux-man-pages-copyleft
.\"
.TH Q_GETFMT 2const 2026-06-05 "Linux man-pages 6.19"
.SH NAME
Q_GETFMT
\-
get quota format
.SH LIBRARY
Standard C library
.RI ( libc ,\~ \-lc )
.SH SYNOPSIS
.nf
.B #include <sys/quota.h>
.P
.BI "int\~quotactl(QCMD(Q_GETFMT, " type "), const\~char\~*_Nullable\~" special ", int\~" id ,
.BI "             caddr_t\~" addr );
.P
.BR "#include <sys/quota.h>" "    /* Definition of " Q_* " constants */"
.BR "#include <sys/syscall.h>" "  /* Definition of " SYS_* " constants */"
.B #include <unistd.h>
.P
.BI "int\~syscall(SYS_quotactl_fd, int\~" fd ", QCMD(Q_GETFMT, " type "), int\~" id ,
.BI "            int32_t\~*" addr );
.fi
.SH DESCRIPTION
Get quota format used on the specified filesystem.
.P
The
.I addr
argument should be a pointer to a 4-byte buffer
where the format number will be stored.
.SH RETURN VALUE
See
.BR quotactl (2).
.SH ERRORS
See
.BR quotactl (2).
.SH STANDARDS
Linux.
.SH HISTORY
Linux 2.4.22.
.SH SEE ALSO
.BR quotactl (2),
.BR quotactl_fd (2),
.BR Q_QUOTAON (2const)