vmtest.c

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#include <stdio.h>
#include <windows.h>
 
int main()
{
   PBYTE Base;
   PVOID Ret;
 
   Base = VirtualAlloc(NULL,
               1048576,
               MEM_RESERVE,
               PAGE_READWRITE);
   if (Base == NULL)
     {
    printf("VirtualAlloc failed 1\n");
     }
 
   Ret = VirtualAlloc(Base + 4096,
              4096,
              MEM_COMMIT,
              PAGE_READWRITE);
   if (Ret == NULL)
     {
    printf("VirtualAlloc failed 2\n");
     }
 
   Ret = VirtualAlloc(Base + 12288,
              4096,
              MEM_COMMIT,
              PAGE_READWRITE);
   if (Ret == NULL)
     {
    printf("VirtualAlloc failed 3\n");
     }
 
   Ret = VirtualAlloc(Base + 20480,
              4096,
              MEM_COMMIT,
              PAGE_READWRITE);
   if (Ret == NULL)
     {
    printf("VirtualAlloc failed 4\n");
     }
 
   Ret = VirtualAlloc(Base + 4096,
              28672,
              MEM_RESERVE,
              PAGE_READWRITE);
   if (Ret == NULL)
     {
    printf("VirtualAlloc failed 5\n");
     }
   return 0;
}