CodePudding user response:
In need of file # include "file name" can use the header files define variables, functions, if in multiple files referenced in the file, you need to add # in the file header program once to avoid repetition and compilation, quoted in the source file header file 1 and file 2, after two header files can be used directly to each other the content of the definitionCodePudding user response:
See my information, the public have a video, can study well