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FreeBSD 11.0 - man page for dwarf_get_address_size (freebsd section 3)

DWARF_GET_ADDRESS_SIZE(3)				   BSD Library Functions Manual 				 DWARF_GET_ADDRESS_SIZE(3)

NAME
dwarf_get_address_size -- return the number of bytes needed to represent an address
LIBRARY
DWARF Access Library (libdwarf, -ldwarf)
SYNOPSIS
#include <libdwarf.h> int dwarf_get_address_size(Dwarf_Debug dbg, Dwarf_Half *addr_size, Dwarf_Error *err);
DESCRIPTION
Function dwarf_get_address_size() returns the size in bytes of a native address for a program object. Argument dbg should denote a DWARF debug context created from a program object using dwarf_init(3). Argument addr_size should point to a location that will hold the returned size. Argument err, if non-NULL, it will be used to return error information.
RETURN VALUES
On success, function dwarf_tag() returns DW_DLV_OK. In case of an error, it returns DW_DLV_ERROR and sets argument err.
ERRORS
Function dwarf_get_address_size() can fail with the following error: [DW_DLE_ARGUMENT] Either of arguments dbg or addr_size was NULL.
SEE ALSO
dwarf(3), dwarf_init(3), dwarf_finish(3)
BSD
April 14, 2010 BSD