external-format-type

Returns a type specifier for the characters handled by a specified external format.

external-format

external-format-type external-format => type-specifier

external-format⇩

An external character format.

type-specifier

A type specifier describing the character types handled by external-format.

The function external-format-type returns a type specifier for the type of characters that external-format handles on the Lisp side.

(ef:external-format-type :latin-1)
=> base-char