...if we in an include header writes:

---
#ifndef X
#define X(a, b)
#endif

X...

...the D frontend completely in gdc (via #ifndef IN_GCC).  Similarly for the va_list...

...LuaJIT's FFI. Even a header guard (#ifndef FOO \ #define FOO \ ... \ #endif) will ruin it...

But you still have to fight with ifndef ,forward declaration, and a template syntax against...

...see:

C++ code.

Specification:

// test.hpp file
#ifndef _test_hpp_
#define _test_hpp_

void foo...

...gibi başlık dosyası eklenen dillerde başlık dosyalarını #ifndef/#endif'ler arasına almak ve eklenme sıralarına...

...fmt,
                     ...) ATTRIBUTE_FORMAT_FPTR(printf, 4, 5);

#ifndef _my_attribute_h
#define _my_attribute_h...

...string Orange::getName() {
	return (name_);
}

-------------------------------------

--------------- Orange.h ------------

#ifndef ORANGE_H__
#define ORANGE_H__

#include <string...

...gen_cxx(string name,string data)
{
    writefln("#ifndef " ~ std.string.toupper(name) ~ "_h");
    writefln("#define...

...gen_cxx(string name,string data)
{
	writefln("#ifndef " ~ std.string.toupper(name) ~ "_h");
	writefln("#define...