errno - Man Page

• Look up errno description by name or code: errno name|code
• List all errno names, codes, and descriptions: errno [-l|--list]
• Search for code whose description contains all of the given text: errno [-s|--search] text
• Search for code whose description contains all of the given text (all locales): errno [-S|--search-all-locales] text

tldr.sh

errno {name-or-code}

errno [-ls] [--list]

errno [-s] [--search] {word}

errno [-S] [--search-all-locales] {word}

errno looks up errno macro names, errno codes, and the corresponding descriptions​. For example, if given ENOENT on a Linux system, it prints out the code 2 and the description "No such file or directory"​. If given the code 2, it prints ENOENT and the same description​.

-l,  --list

List all errno values​.

-s,  --search

Search for errors whose description contains all the given words (case-insensitive)​.

-S,  --search-all-locales

Like --search, but searches all installed locales​.

Lars Wirzenius

errno(3)