#include <stdint.h>
#include <stdio.h>
#include <math.h>
typedef int8_t   S8;
typedef int16_t  S16;
typedef int32_t  S32;
typedef int64_t  S64;
typedef uint8_t  U8;
typedef uint16_t U16;
typedef uint32_t U32;
typedef uint64_t U64;
typedef S8       B8;
typedef S16      B16;
typedef S32      B32;
typedef S64      B64;
typedef U64      SizeU;
typedef S64      SizeS;
typedef float    F32;
typedef double   F64;
typedef S32     Bool;
#define true 1
#define false 0

typedef struct Slice{
  S64 len;
  void *data;
}Slice;

typedef struct String{
  U8 *str;
  S64 len;
}String;
#define LIT(x) (String){.str=(U8 *)x, .len=sizeof(x)-1}

  

// Type SizeU = base_

typedef struct base_OS_Memory{
  U64 base_commit;
  U64 base_reserve;
  U8 *base_data;
}base_OS_Memory;
U64 base_get_align_offset(U64 base_size, U64 base_align){
  U64 base_mask = (base_align-1);
  U64 base_val = (base_size&base_mask);
  if((base_val!=0)){
    base_val=(base_align-base_val);
  }
  return base_val;
}
U64 base_align_up(U64 base_size, U64 base_align){
  U64 base_result = (base_size+base_get_align_offset(base_size, base_align));
  return base_result;
}
// constant int OS_PAGE_SIZE = 4096

// Type LPVOID = (*Windows_)
// Type SIZE_T = Windows_

// Type DWORD = Windows_
/*foreign*/void *VirtualAlloc(void *Windows_lpAddress, U64 Windows_dwSize, U32 Windows_flAllocationType, U32 Windows_flProtect);
// constant int MEM_RESERVE = 2
// constant int PAGE_READWRITE = 4
base_OS_Memory base_reserve(U64 base_size){
  base_OS_Memory base_result = (base_OS_Memory ){base_align_up(base_size, 4096)};
  base_result.base_data=((U8 *)VirtualAlloc(0, base_result.base_reserve, 2, 4));
  return base_result;
}
int main(int main_argc, char **main_argv){
  base_OS_Memory main_memory = base_reserve(10000);
}