registry.scheme.org/foreign-status-set.scm

(id errno)
(description "C/POSIX/Unix errno values")

(id ftp)
(description "File Transfer Protocol reply codes")

(id http)
(description "Hypertext Transfer Protocol status codes")

(id libarchive)
(description "The libarchive archiving and compression library")

(id libsodium)
(description "The libsodium cryptography library")

(id mysql)
(description "MySQL and MariaDB database errors")

(id gethostby)
(description "gethostbyname() and gethostbyaddr() return values")

(id netdb)
(description "POSIX/Unix netdb.h EAI error values")

(id postgresql)
(description "PostgreSQL errors")

(id sqlite)
(description "SQLite database result codes")

(id windows)
(description "Microsoft Windows API (aka win32)")

(id winsock)
(description "Microsoft Windows Sockets API")