$(BNF ExternLinkageType := extern "(" LinkageType ")" LinkageType := "C" | "C" "++" | "D" | "Windows" | "Pascal" | "System")
See Implementation
$(BNF ExternLinkageType := extern "(" LinkageType ")" LinkageType := "C" | "C" "++" | "D" | "Windows" | "Pascal" | "System")