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DWARF_GET_FORM_CLASS(3)    Library Functions Manual    DWARF_GET_FORM_CLASS(3)

NAME
     dwarf_get_form_class -- retrieve the form class of an attribute

LIBRARY
     DWARF Access Library (libdwarf, -ldwarf)

SYNOPSIS
     #include <libdwarf.h>

     enum Dwarf_Form_Class
     dwarf_get_form_class(Dwarf_Half dwversion, Dwarf_Half attr,
         Dwarf_Half offset_size, Dwarf_Half form);

DESCRIPTION
     Function dwarf_get_form_class() returns the class of the form of a DWARF
     attribute.

     Argument dwversion should specify the version number of DWARF
     specification to use: 2 for DWARF2, 3 for DWARF3 and 4 for DWARF4.

     Argument attr should hold the attribute code of the attribute, i.e., one
     of the DW_AT_* values defined in <libdwarf.h>.

     Argument offset_size should hold the size of a DWARF offset for the
     relevant compilation unit.

     Argument form should hold the form code of the attribute.

RETURN VALUES
     On success, function dwarf_get_form_class() returns the form class code,
     which is one of the DW_FORM_CLASS_* contants defined in header file
     <libdwarf.h>.  If the function was not able to determine the form class
     of the attribute, it returns the special form class code
     DW_FORM_CLASS_UNKNOWN.

ERRORS
     Function dwarf_get_form_class() does not return an error.

SEE ALSO
     dwarf(3), dwarf_attr(3), dwarf_whatattr(3), dwarf_whatform(3)

NetBSD 7.1.2                     June 26, 2011                    NetBSD 7.1.2