ERROR (C++): 'main' : not all control paths return a value

[spartan118]

/*Windows Privilage Grant...*/
#include "H:\Profile\Desktop\rawrr\HEADERS.h"
#include "H:\Profile\Desktop\rawrr\DEFINITIONS.h"
 
HANDLE screen;
 
int main ()
{
    TOKEN_PRIVILEGES NewState; //granting privileges to shut off Windows© Firewall among other things...
    LUID_AND_ATTRIBUTES luidattr;
    HANDLE hToken;
    LUID tmpLuid;
 
    DWORD dwVersion = GetVersion();
    if ( dwVersion < 0x80000000)
    {
        // Windows NT4/2000/XP
        HANDLE handleProcess=GetCurrentProcess();
 
        // get a token handle
        if (!OpenProcessToken (handleProcess,
                TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
        return 0;
 
        //program requires admin rights to run
        if (!LookupPrivilegeValue(0, SE_SHUTDOWN_NAME, &tmpLuid))
        return 0;
 
         NewState.PrivilegeCount = 1;
         luidattr.Luid=tmpLuid;
         luidattr.Attributes=SE_PRIVILEGE_ENABLED;
         NewState.Privileges[0]=luidattr;
    }
 
         // set privilege level
         if (!AdjustTokenPrivileges(hToken, false,
                 &NewState, sizeof(TOKEN_PRIVILEGES), 0, 0))
         return EXIT_SUCCESS;
}
 

Help :P

[weaknessforcats]

// set privilege level
if (!AdjustTokenPrivileges(hToken, false,
&NewState, sizeof(TOKEN_PRIVILEGES), 0, 0))
return EXIT_SUCCESS;
} // end of main

What is returned if this if statement is false?