To compile & run the program, use your favorite C compiler on windows, and link against gdi32 and user32:
- with gcc:
gcc src/main.c -lgdi32 -luser32
a.exe- with clang (or zig cc):
clang src/main.c -lgdi32 -luser32
a.exe
zig cc src/main.c -lgdi32 -luser32
a.out