How can i use the GPIO headers in C/C++

I want to use the GPIO headers in C/C++. I have already had a look into the doc’s but all the links are no longer available. I also tried to use WiringPi but this also doesn’t work

Hello @AxdeExpe

Have you tried this?

https://docs.khadas.com/products/sbc/vim2/applications/gpio/wiringpi