getProcAddress - 返回NULL

#include <windows.h>

int main() {
    HMODULE dllModule = LoadLibrary(L"example.dll");
    if (dllModule == NULL) {
        printf("Error loading DLL\n");
        return EXIT_FAILURE;
    }

    FARPROC exampleFunctionAddress = GetProcAddress(dllModule, L"exampleFunction");
    if (exampleFunctionAddress == NULL) {
        printf("Error locating exampleFunction in DLL\n");
        FreeLibrary(dllModule);
        return EXIT_FAILURE;
    }

    // 调用 exampleFunction
    typedef int (*exampleFunction)(int, int);
    exampleFunction func = (exampleFunction)exampleFunctionAddress;
    int result = func(42, 13);
    printf("Result: %d\n", result);

    FreeLibrary(dllModule);
    return 0;
}