This file is indexed.

/usr/include/x86_64-linux-musl/iso646.h is in musl-dev 0.9.15-1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
#ifndef _ISO646_H
#define _ISO646_H

#ifndef __cplusplus

#define and    &&
#define and_eq &=
#define bitand &
#define bitor  |
#define compl  ~
#define not    !
#define not_eq !=
#define or     ||
#define or_eq  |=
#define xor    ^
#define xor_eq ^=

#endif

#endif