freebsd man page for dwarf_formflag

DWARF_FORMFLAG(3)					   BSD Library Functions Manual 					 DWARF_FORMFLAG(3)

NAME
     dwarf_formflag -- return the value of a BOOLEAN class attribute

LIBRARY
     DWARF Access Library (libdwarf, -ldwarf)

SYNOPSIS
     #include <libdwarf.h>

     int
     dwarf_formflag(Dwarf_Attribute attr, Dwarf_Bool *ret, Dwarf_Error *err);

DESCRIPTION
     Function dwarf_formflag() sets the location pointed to by argument ret to 1 if the attribute referenced by argument attr has a non-zero
     value, or 0 otherwise.  The form of argument attr must be one of DW_FORM_flag or DW_FORM_flag_present.

     If argument err is not NULL, it will be used to return an error descriptor in case of an error.

RETURN VALUES
     Function dwarf_formflag() returns DW_DLV_OK on success.  In case of an error, it returns DW_DLV_ERROR and sets argument err.

ERRORS
     Function dwarf_formflag() may fail with the following errors:

     [DW_DLE_ARGUMENT]	     Either of arguments attr or ret was NULL.

     [DW_DLE_ATTR_FORM_BAD]  The attribute referenced by argument attr was not of a permitted kind.

SEE ALSO
     dwarf(3), dwarf_attr(3), dwarf_formblock(3), dwarf_formref(3), dwarf_formsdata(3), dwarf_formsig8(3), dwarf_formstring(3),
     dwarf_formudata(3), dwarf_hasattr(3)

BSD
								   June 21, 2010							       BSD