Setup ardupilot in vs code

Hii everyone ,
I trying to setup Ardupilot Github Repository in vs code in windows.
and i could not find main.c file. Please suggest any respository and documentation .
I followed up the whole process setup to making build of ardupilot in mission planner

Mission Planner has nothing to do with building firmware. But there is this to guide you further:

Thanks for sharing
Currently you should assist me how should add few lines of code get sensor data
How to make build in vs code .