woke.asm

; ml /coff woke.asm /link /subsystem:console
.386
.model flat, stdcall
option casemap :none

include \masm32\include\kernel32.inc
include \masm32\include\windows.inc
includelib \masm32\lib\kernel32.lib

.code
start:
    mov eax, 2
    call SetThreadExecutionState
    mov eax, -1
    call Sleep
end start

woke.c

// cl a.c /link /subsystem:windows /dynamicbase "kernel32.lib" "user32.lib"
#include <windows.h>

void WinMainCRTStartup() {
    SetThreadExecutionState(ES_DISPLAY_REQUIRED | ES_CONTINUOUS);
    Sleep(INFINITE);
}