isuniqueid(S)                  6 January 1993                  isuniqueid(S)


 Name

    isuniqueid - return a unique identifier

 Syntax


    cc  . . .  -lisam


    isuniqueid (isfd, uniqueid)
    int isfd;
    long *uniqueid


 Description

    The isuniqueid routine generates a unique identifier for an ISAM file
    previously opened by isopen or isbuild, and identified by isfd.  The
    unique identifier is a pointer to a long integer contained in uniqueid.

    You can use the following arguments with this routine:


    _________________________________________________________________________
    ArgumentDescription
    _________________________________________________________________________
    isfd    File descriptor of an open ISAM file.
    uniqueidPointer to a long integer to receive the unique identifier.

    On success, isuniqueid returns 0.  Otherwise, it returns -1 and sets
    iserrno to indicate the error.

 See also

    issetunique(S)

 Standards conformance

    isuniqueid is not part of any currently supported standard; it is an
    extension of AT&T System V provided by the Santa Cruz Operation.