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Command: getlabeloffset | Section: 3 | Source: NetBSD | File: getlabeloffset.3
GETLABELSECTOR(3) FreeBSD Library Functions Manual GETLABELSECTOR(3)
NAME
getlabelsector, getlabeloffset, getlabelusesmbr - get disklabel location
informations
LIBRARY
System Utilities Library (libutil, -lutil)
SYNOPSIS
#include <util.h>
daddr_t
getlabelsector(void);
off_t
getlabeloffset(void);
int
getlabelusesmbr(void);
DESCRIPTION
The getlabelsector() and getlabeloffset() functions return values which
describe the exact on-disk location of the disklabel(5) on the current
system, or -1 on error. These functions supersede the hardcoded
LABELSECTOR and LABELOFFSET definitions previously used to derive the
location of the disklabel(5).
The getlabelusesmbr() returns 1 if the disklabel is located inside a MBR
partition, 0 if it's stored relative to the start of the disk, or -1 on
error.
SEE ALSO
sysctl(3), disklabel(5)
HISTORY
The getlabelsector() and getlabeloffset() functions appeared in
NetBSD 2.0.
FreeBSD 14.1-RELEASE-p8 August 25, 2011 FreeBSD 14.1-RELEASE-p8