g-content-type-generic-icon-name (content-type)

content-type -- a content type string

A string with the registered generic icon name for the given type, or nil if unknown.

Gets the generic icon name for a content type.

See the shared-mime-info specification for more on the generic icon name.

(g-content-type-generic-icon-name "text/plain")
=> "text-x-generic"