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NAME

       gd_fragment_index — retrieve the fragment containing a Dirfile field

SYNOPSIS

       #include <getdata.h>

       int gd_fragment_index(const DIRFILE *dirfile, const char *entry_name);

DESCRIPTION

       The  gd_fragment_index()  function  queries a dirfile(5) database specified by dirfile and
       returns the index number of the fragment defining the field or alias named entry_name.

       This is one of the few GetData functions which does not  resolve  aliases:  supplying  the
       name  of an alias as entry_name will return the index of the fragment containing the alias
       itself and not that of its target.

RETURN VALUE

       Upon successful completion, gd_fragment_index()  returns  the  requested  fragment  index,
       which  is  never  negative.  On error, gd_fragment_index() returns a negative-valued error
       code.  Possible error codes are:

       GD_E_BAD_CODE
               The entry specified by entry_name was not found in the database.

       GD_E_BAD_DIRFILE
               The supplied dirfile was invalid.

       The error code is also stored in the DIRFILE  object  and  may  be  retrieved  after  this
       function  returns by calling gd_error(3).  A descriptive error string for the error may be
       obtained by calling gd_error_string(3).

HISTORY

       The get_fragment_index() function appeared in GetData-0.5.0.

       In GetData-0.7.0, this function was renamed to gd_fragment_index().

       In GetData-0.10.0, the error return from this function changed  from  -1  to  a  negative-
       valued error code.

SEE ALSO

       gd_open(3),     gd_entry(3),    gd_error(3),    gd_error_string(3),    gd_fragmentname(3),
       gd_parent_fragment(3), dirfile(5)