Some simple typdef/struct compilation tests in C/C++.

typedef_struct.cpp

/* 
 * Some simple typdef/struct compilation tests.
 * Tested with gcc4.7 and clang3.1
 */

struct AAA {
  int a, b, c, d;
};

typedef struct _BBB { // Windows header style.
  int a, b, c, d;
} BBB;

typedef struct {
  int a, b, c, d;
} CCC;

struct DDD {
  int a, b, c, d;
} ddd;

struct {
  int a, b, c, d;
} eee; // gcc4.7 compiles but gives warning.
       // no warning with clang3.1.

static struct {
  int a, b, c, d;
} fff;

namespace {
  struct {
    int a, b, c, d;
  } ggg; // gcc4.7 compiles but gives warning.
         // no warning with clang3.1.
  
  static struct {
    int a, b, c, d;
  } hhh;
}

typedef struct III {
  int a, b, c, d;
} III;

int main()
{
  struct AAA a0;
  AAA a1; // Does not compile in C.

  struct _BBB b0;
//  struct BBB b0; // Does not compile.
  BBB b1;

//  struct CCC c0; // Does not compile.
  CCC c1;

  ddd.a = 42;
  struct DDD d0;
  DDD d1; // Does not compile in C.
  
  eee.a = 0;
  fff.a = 1;
  ggg.a = 1;
  hhh.a = 2;
  
  struct III i0;
  III i1;
}