December 11, 2002 GETLABELSECTOR 3

### NAME

getlabelsector, getlabeloffset - get the sector number and offset of the disklabel

### LIBRARY

System Utilities Library (libutil, -lutil)

### SYNOPSIS

```daddr_t` getlabelsector(```void`)
```off_t` getlabeloffset(```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 supercede the hardcoded ```LABELSECTOR` and ```LABELOFFSET` definitions previously used to derive the location of the disklabel(5).

### SEE ALSO

sysctl(3), disklabel(5)

### HISTORY

The getlabelsector(``) and getlabeloffset(``) functions appeared in NetBSD2.0.