Check Win10 build number and detect if escape sequences can be used (without manifest)

rtlgetver.c

#include <windows.h>
#include <stdio.h>

typedef BOOL (WINAPI *PfnRtlGetVersion)(LPOSVERSIONINFOW);

#define MAKE_VER(major, minor, build) \
	(((major) << 24) | ((minor) << 16) | (build))

int main()
{
	OSVERSIONINFOW osver = {sizeof(OSVERSIONINFOW)};
	HMODULE hNtdll;
	PfnRtlGetVersion pRtlGetVersion;
	DWORD ver;

	hNtdll = GetModuleHandle(TEXT("ntdll.dll"));
	pRtlGetVersion = (PfnRtlGetVersion) GetProcAddress(hNtdll, "RtlGetVersion");
	pRtlGetVersion(&osver);
	printf("%u.%u.%u\n", osver.dwMajorVersion, osver.dwMinorVersion, osver. dwBuildNumber);

	ver = MAKE_VER(min(osver.dwMajorVersion, 255),
			min(osver.dwMinorVersion, 255),
			min(osver.dwBuildNumber, 32767));
	if (ver >= MAKE_VER(10, 0, 10586)) {
		printf("ENABLE_VIRTUAL_TERMINAL_PROCESSING is supported.\n");
		if (ver >= MAKE_VER(10, 0, 15063)) {
			printf("Extended colors are supported.\n");
		} else {
			printf("Extended colors are not supported.\n");
		}
	} else {
		printf("ENABLE_VIRTUAL_TERMINAL_PROCESSING is not supported.\n");
	}
}