isduid man page on OpenBSD

isduid man page on OpenBSD

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ISDUID(3)		  OpenBSD Programmer's Manual		     ISDUID(3)

NAME
     isduid - disklabel UID test

SYNOPSIS
     #include <util.h>

     int
     isduid(char *duid, int dflags);

DESCRIPTION
     The isduid() function tests the string duid to see if it is a valid
     disklabel(8) UID.	The dflags are specified using the same flags as used
     by opendev(3).

     If the OPENDEV_PART flag is included in dflags the disklabel UID must
     consist of a 16-character hexadecimal string.  Otherwise the disklabel
     UID must consist of a 16-character hexidecimal string followed by a `.'
     and a partition letter.

RETURN VALUES
     The isduid() function returns non-zero if duid is a valid DUID, otherwise
     zero is returned.

SEE ALSO
     opendev(3), disklabel(5), disklabel(8)

HISTORY
     The isduid() function first appeared in OpenBSD 4.9.

OpenBSD 4.9		       November 17, 2010		   OpenBSD 4.9

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