bsd man page for getdiskbyname

GETDISKBYNAME(3)					     Library Functions Manual						  GETDISKBYNAME(3)

NAME
       getdiskbyname - get disk description by its name

SYNOPSIS
       #include <sys/types.h>
       #include <sys/disktab.h>

       struct disklabel *
       getdiskbyname(name)
       char *name;

DESCRIPTION
       Getdiskbyname  takes  a	disk  name (e.g. rm03) and returns a structure describing its geometry information and the standard disk partition
       tables.	Information obtained from the disktab(5) file has the following form:

SEE ALSO
       disktab(5), disklabel(8)

BUGS
       This routine is primarily used when the underlying disk driver does not support labels.	The other use is for supplying default information
       to the disklabel(8) program.

4.2 Berkeley Distribution					 September 8, 1995						  GETDISKBYNAME(3)