Many, many valid C declarations

everything.h

// primitive types which cannot be signed
  //void ordinary_void;
  bool ordinary_bool;
  float ordinary_float;
  double ordinary_double;
  long double ordinary_long_double;
// types which can be signed
  // char
    char ordinary_signed_char;
    signed char explicit_signed_char;
    unsigned char unsigned_char;
  // short
    short ordinary_signed_short;
    signed short explicit_signed_short;
    unsigned short unsigned_short;
  // int
    int ordinary_signed_int;
    signed int explicit_signed_int;
    unsigned int unsigned_int;
  // long
    long ordinary_signed_long;
    signed long explicit_signed_long;
    unsigned long unsigned_long;
  // long long
    long long ordinary_signed_long_long;
    signed long long explicit_signed_long_long;
    unsigned long long unsigned_long_long;
// pointers
  // primitive types which cannot be signed
    void* ordinary_void_pointer;
    bool* ordinary_bool_pointer;
    float* ordinary_float_pointer;
    double* ordinary_double_pointer;
    long double* ordinary_long_double_pointer;
  // types which can be signed
    // char
      char *ordinary_signed_char_pointer;
      signed char *explicit_signed_char_pointer;
      unsigned char *unsigned_char_pointer;
    // short
      short *ordinary_signed_short_pointer;
      signed short *explicit_signed_short_pointer;
      unsigned short *unsigned_short_pointer;
    // int
      int* ordinary_signed_int_pointer;
      signed int* explicit_signed_int_pointer;
      unsigned int* unsigned_int_pointer;
    // long
      long *ordinary_signed_long_pointer;
      signed long *explicit_signed_long_pointer;
      unsigned long *unsigned_long_pointer;
    // long long
      long long* ordinary_signed_long_long_pointer;
      signed long long* explicit_signed_long_long_pointer;
      unsigned long long* unsigned_long_long_pointer;
// arrays
  // primitive types which cannot be signed
    //void ordinary_void_array[10];
    bool ordinary_bool_array[10];
    float ordinary_float_array[10];
    double ordinary_double_array[10];
    long double ordinary_long_double_array[10];
  // types which can be signed
    // char
      char ordinary_signed_char_array[10];
      signed char explicit_signed_char_array[10];
      unsigned char unsigned_char_array[10];
    // short
      short ordinary_signed_short_array[10];
      signed short explicit_signed_short_array[10];
      unsigned short unsigned_short_array[10];
    // int
      int ordinary_signed_int_array[10];
      signed int explicit_signed_int_array[10];
      unsigned int unsigned_int_array[10];
    // long
      long ordinary_signed_long_array[10];
      signed long explicit_signed_long_array[10];
      unsigned long unsigned_long_array[10];
    // long long
      long long ordinary_signed_long_long_array[10];
      signed long long explicit_signed_long_long_array[10];
      unsigned long long unsigned_long_long_array[10];
  // pointers
    // primitive types which cannot be signed
      void* ordinary_void_pointer_array[10];
      bool* ordinary_bool_pointer_array[10];
      float* ordinary_float_pointer_array[10];
      double* ordinary_double_pointer_array[10];
      long double* ordinary_long_double_pointer_array[10];
    // types which can be signed
      // char
        char *ordinary_signed_char_pointer_array[10];
        signed char *explicit_signed_char_pointer_array[10];
        unsigned char *unsigned_char_pointer_array[10];
      // short
        short *ordinary_signed_short_pointer_array[10];
        signed short *explicit_signed_short_pointer_array[10];
        unsigned short *unsigned_short_pointer_array[10];
      // int
        int* ordinary_signed_int_pointer_array[10];
        signed int* explicit_signed_int_pointer_array[10];
        unsigned int* unsigned_int_pointer_array[10];
      // long
        long *ordinary_signed_long_pointer_array[10];
        signed long *explicit_signed_long_pointer_array[10];
        unsigned long *unsigned_long_pointer_array[10];
      // long long
        long long* ordinary_signed_long_long_pointer_array[10];
        signed long long* explicit_signed_long_long_pointer_array[10];
        unsigned long long* unsigned_long_long_pointer_array[10];
// structs
  // primitive types which cannot be signed
    //void ordinary_void;
    struct ordinary_bool_struct {bool ordinary_bool_member;};
    struct ordinary_float_struct {float ordinary_float_member;};
    struct ordinary_double_struct {double ordinary_double_member;};
    struct ordinary_long_double_struct {long double ordinary_long_double_member;};
  // types which can be signed
    // char
      struct ordinary_signed_char_struct {char ordinary_signed_char_member;};
      struct explicit_signed_char_struct {signed char explicit_signed_char_member;};
      struct unsigned_char_struct {unsigned char unsigned_char_member;};
    // short
      struct ordinary_signed_short_struct {short ordinary_signed_short_member;};
      struct explicit_signed_short_struct {signed short explicit_signed_short_member;};
      struct unsigned_short_struct {unsigned short unsigned_short_member;};
    // int
      struct ordinary_signed_int_struct {int ordinary_signed_int_member;};
      struct explicit_signed_int_struct {signed int explicit_signed_int_member;};
      struct unsigned_int_struct {unsigned int unsigned_int_member;};
    // long
      struct ordinary_signed_long_struct {long ordinary_signed_long_member;};
      struct explicit_signed_long_struct {signed long explicit_signed_long_member;};
      struct unsigned_long_struct {unsigned long unsigned_long_member;};
    // long long
      struct ordinary_signed_long_long_struct {long long ordinary_signed_long_long_member;};
      struct explicit_signed_long_long_struct {signed long long explicit_signed_long_long_member;};
      struct unsigned_long_long_struct {unsigned long long unsigned_long_long_member;};
  // pointers
    // primitive types which cannot be signed
      struct ordinary_void_pointer_struct {void* ordinary_void_pointer_member;};
      struct ordinary_bool_pointer_struct {bool* ordinary_bool_pointer_member;};
      struct ordinary_float_pointer_struct {float* ordinary_float_pointer_member;};
      struct ordinary_double_pointer_struct {double* ordinary_double_pointer_member;};
      struct ordinary_long_double_pointer_struct {long double* ordinary_long_double_pointer_member;};
    // types which can be signed
      // char
        struct ordinary_signed_char_pointer_struct {char *ordinary_signed_char_pointer_member;};
        struct explicit_signed_char_pointer_struct {signed char *explicit_signed_char_pointer_member;};
        struct unsigned_char_pointer_struct {unsigned char *unsigned_char_pointer_member;};
      // short
        struct ordinary_signed_short_pointer_struct {short *ordinary_signed_short_pointer_member;};
        struct explicit_signed_short_pointer_struct {signed short *explicit_signed_short_pointer_member;};
        struct unsigned_short_pointer_struct {unsigned short *unsigned_short_pointer_member;};
      // int
        struct ordinary_signed_int_pointer_struct {int* ordinary_signed_int_pointer_member;};
        struct explicit_signed_int_pointer_struct {signed int* explicit_signed_int_pointer_member;};
        struct unsigned_int_pointer_struct {unsigned int* unsigned_int_pointer_member;};
      // long
        struct ordinary_signed_long_pointer_struct {long *ordinary_signed_long_pointer_member;};
        struct explicit_signed_long_pointer_struct {signed long *explicit_signed_long_pointer_member;};
        struct unsigned_long_pointer_struct {unsigned long *unsigned_long_pointer_member;};
      // long long
        struct ordinary_signed_long_long_pointer_struct {long long* ordinary_signed_long_long_pointer_member;};
        struct explicit_signed_long_long_pointer_struct {signed long long* explicit_signed_long_long_pointer_member;};
        struct unsigned_long_long_pointer_struct {unsigned long long* unsigned_long_long_pointer_member;};
  // arrays
    // primitive types which cannot be signed
      //struct ordinary_void_array_struct {void ordinary_void_array_member[10];};
      struct ordinary_bool_array_struct {bool ordinary_bool_array_member[10];};
      struct ordinary_float_array_struct {float ordinary_float_array_member[10];};
      struct ordinary_double_array_struct {double ordinary_double_array_member[10];};
      struct ordinary_long_double_array_struct {long double ordinary_long_double_array_member[10];};
    // types which can be signed
      // char
        struct ordinary_signed_char_array_struct {char ordinary_signed_char_array_member[10];};
        struct explicit_signed_char_array_struct {signed char explicit_signed_char_array_member[10];};
        struct unsigned_char_array_struct {unsigned char unsigned_char_array_member[10];};
      // short
        struct ordinary_signed_short_array_struct {short ordinary_signed_short_array_member[10];};
        struct explicit_signed_short_array_struct {signed short explicit_signed_short_array_member[10];};
        struct unsigned_short_array_struct {unsigned short unsigned_short_array_member[10];};
      // int
        struct ordinary_signed_int_array_struct {int ordinary_signed_int_array_member[10];};
        struct explicit_signed_int_array_struct {signed int explicit_signed_int_array_member[10];};
        struct unsigned_int_array_struct {unsigned int unsigned_int_array_member[10];};
      // long
        struct ordinary_signed_long_array_struct {long ordinary_signed_long_array_member[10];};
        struct explicit_signed_long_array_struct {signed long explicit_signed_long_array_member[10];};
        struct unsigned_long_array_struct {unsigned long unsigned_long_array_member[10];};
      // long long
        struct ordinary_signed_long_long_array_struct {long long ordinary_signed_long_long_array_member[10];};
        struct explicit_signed_long_long_array_struct {signed long long explicit_signed_long_long_array_member[10];};
        struct unsigned_long_long_array_struct {unsigned long long unsigned_long_long_array_member[10];};
    // pointers
      // primitive types which cannot be signed
        struct ordinary_void_pointer_array_struct {void* ordinary_void_pointer_array_member[10];};
        struct ordinary_bool_pointer_array_struct {bool* ordinary_bool_pointer_array_member[10];};
        struct ordinary_float_pointer_array_struct {float* ordinary_float_pointer_array_member[10];};
        struct ordinary_double_pointer_array_struct {double* ordinary_double_pointer_array_member[10];};
        struct ordinary_long_double_pointer_array_struct {long double* ordinary_long_double_pointer_array_member[10];};
      // types which can be signed
        // char
          struct ordinary_signed_char_pointer_array_struct {char *ordinary_signed_char_pointer_array_member[10];};
          struct explicit_signed_char_pointer_array_struct {signed char *explicit_signed_char_pointer_array_member[10];};
          struct unsigned_char_pointer_array_struct {unsigned char *unsigned_char_pointer_array_member[10];};
        // short
          struct ordinary_signed_short_pointer_array_struct {short *ordinary_signed_short_pointer_array_member[10];};
          struct explicit_signed_short_pointer_array_struct {signed short *explicit_signed_short_pointer_array_member[10];};
          struct unsigned_short_pointer_array_struct {unsigned short *unsigned_short_pointer_array_member[10];};
        // int
          struct ordinary_signed_int_pointer_array_struct {int* ordinary_signed_int_pointer_array_member[10];};
          struct explicit_signed_int_pointer_array_struct {signed int* explicit_signed_int_pointer_array_member[10];};
          struct unsigned_int_pointer_array_struct {unsigned int* unsigned_int_pointer_array_member[10];};
        // long
          struct ordinary_signed_long_pointer_array_struct {long *ordinary_signed_long_pointer_array_member[10];};
          struct explicit_signed_long_pointer_array_struct {signed long *explicit_signed_long_pointer_array_member[10];};
          struct unsigned_long_pointer_array_struct {unsigned long *unsigned_long_pointer_array_member[10];};
        // long long
          struct ordinary_signed_long_long_pointer_array_struct {long long* ordinary_signed_long_long_pointer_array_member[10];};
          struct explicit_signed_long_long_pointer_array_struct {signed long long* explicit_signed_long_long_pointer_array_member[10];};
          struct unsigned_long_long_pointer_array_struct {unsigned long long* unsigned_long_long_pointer_array_member[10];};