Edit: /usr/include/bits/elfclass.h (426B)
/* This file specifies the native word size of the machine, which indicates
the ELF file class used for executables and shared objects on this
machine. */
#ifndef _LINK_H
# error "Never use
directly; include instead."
#endif
#include
#define __ELF_NATIVE_CLASS __WORDSIZE
/* The entries in the .hash table always have a size of 32 bits. */
typedef uint32_t Elf_Symndx;