1  #ifdef IS_SYSTEM_HEADER
       2  #pragma GCC system_header
       3  #endif
       4  
       5  typedef enum __internal_enum { A, B } user_enum;
       6  typedef user_enum *user_enum_ptr;
       7  
       8  typedef struct __internal_struct { int i; } user_struct;
       9  typedef user_struct user_struct_copy;
      10  typedef user_struct *user_struct_ptr;
      11  
      12  typedef union __internal_union { int i; } user_union;
      13  typedef user_union user_union_copy;
      14  typedef user_union *user_union_ptr;
      15  
      16  typedef unsigned int user_vector __attribute__((__vector_size__(16)));
      17  typedef user_vector user_vector_copy;
      18  typedef user_vector *user_vector_ptr;
      19  
      20  typedef int user_int;
      21  typedef user_int user_int_copy;
      22  typedef user_int *user_int_ptr;