module languages/ansi-c/syntax/Identifiers exports sorts Identifier AnonymousIdentifier Keyword lexical syntax "auto" | "break" | "case" | "char" | "const" | "continue" | "default" | "do" | "double" | "else" | "enum" | "extern" | "float" | "for" | "goto" | "if" | "int" | "long" | "register" | "return" | "short" | "signed" | "sizeof" | "static" | "struct" | "switch" | "typedef" | "union" | "unsigned" | "void" | "volatile" | "while" -> Keyword Keyword -> Identifier {reject} lexical syntax [a-zA-Z\_][a-zA-Z\_0-9]* -> Identifier -> AnonymousIdentifier lexical restrictions Identifier -/- [0-9a-zA-Z\_]