I want to know how to read and write data on gpio pins of STM32F103C8T6(BluePill).

I am using keil to program STM32F103C8 MCU and I have the the library files for GPIO read and write functions but it is not working. There are no errors. I am just not sure about the parameters I am passing to functions. I have attached the code and zip of project.

Please help.

Thanks in anticipation.