GetUserNameA

AddAtomA CloseHandle CreateEventA CreateMutexA CreateSemaphoreA DeleteCriticalSection DuplicateHandle EnterCriticalSection FindAtomA FreeConsole GetAtomNameA GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetHandleInformation GetLastError GetLogicalDriveStringsA GetModuleHandleW GetProcAddress GetProcessAffinityMask GetStartupInfoA GetSystemTimeAsFileTime GetThreadContext GetThreadPriority GetTickCount InitializeCriticalSection IsDBCSLeadByteEx LeaveCriticalSection MultiByteToWideChar QueryPerformanceCounter RaiseException ReleaseMutex ReleaseSemaphore ResetEvent ResumeThread RtlAddFunctionTable RtlCaptureContext RtlLookupFunctionEntry RtlUnwindEx RtlVirtualUnwind SetCriticalSectionSpinCount SetEvent SetLastError SetProcessAffinityMask SetThreadContext SetThreadPriority SetUnhandledExceptionFilter Sleep SuspendThread TerminateProcess TlsAlloc TlsGetValue TlsSetValue TryEnterCriticalSection UnhandledExceptionFilter VirtualProtect VirtualQuery WaitForMultipleObjects WaitForSingleObject WideCharToMultiByte

__C_specific_handler ___lc_codepage_func __dllonexit __doserrno __getmainargs __initenv __iob_func __lconv_init __mb_cur_max __pioinfo __set_app_type __setusermatherr _acmdln _amsg_exit _beginthreadex _cexit _endthreadex _errno _fdopen _filelengthi64 _fileno _fileno _fmode _fstat64 _ftime _initterm _lock _lseeki64 _onexit _read _setjmp _strnicmp _unlock _write _write abort calloc exit fclose fflush fgetpos fopen fprintf fputc fputs fread free fsetpos fwrite getc getenv getwc isspace iswctype localeconv longjmp malloc memchr memcmp memcpy memmove memset printf putc putwc realloc setlocale setvbuf signal sprintf strcmp strcoll strerror strftime strlen strncmp strxfrm towlower towupper ungetc ungetwc vfprintf wcscoll wcsftime wcslen wcsxfrm

MessageBoxA