C gibberish to English

Websites for these little utilities are definitely useful, though. :)

    // declare foo as pointer to function (void) returning pointer to array 3 of int
    int (*(*foo)(void ))[3]

    // declare foo as pointer to function (void) returning pointer to array 3 of int
    var foo *func() *[3]int

http://pear.warosu.org/c++filtjs/

This can be used to demangle C++ names.

https://en.wikipedia.org/wiki/The_C_Programming_Language

"void f(void)" -> "declare f as function (void) returning void"

"void fun(void)" -> "declare fun as function (void) returning void"

"void funct(void)" -> "declare funct as function (void) returning void"

"void func(void)" -> "syntax error"

"func" is not a special name in C.

Also:

"void fn(void f(void))" -> "syntax error"

But this syntax works just fine:

    /tmp$ cat test.c
    #include <stdio.h>
    
    void fn(void f(void))
    {
        f();
        f();
    }
    
    void g(void)
    {
        puts("g");
    }
    
    int main()
    {
        fn(g);
        return 0;
    }
    /tmp$ gcc test.c
    /tmp$ ./a.out
    g
    g

"Foo a" declares a of type Foo (whatever that is), but cdecl says Syntax Error.

It does not even work with C99 types. "bool a", "_Bool a", "int32_t a" all give Syntax Error.