To typedef, or not to typedef? The way to declare structs (as well as unions and enums) in C is quite peculiar because the identifier following the keyword ‘struct’ is a tag (e.g., struct Foo {…};).

Embedded.com Explores Modular Programming in C, Implementations, Interfaces, and Practical Examples. ... Modula calls this an opaque export: the interface presents clients with the name of the data ...