This file is indexed.

/usr/include/zsh/sigcount.h is in zsh-dev 5.1.1-1ubuntu2.

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

The actual contents of the file can be viewed below.

1
2
#define SIGCOUNT	31
#define sigmsg(sig) ((sig) <= SIGCOUNT ? sig_msg[sig] : "unknown signal")