3 Replies
      Latest reply on Dec 19, 2019 11:19 AM by john daniel
      cekeigwe Level 1 Level 1 (0 points)

        I am a new mac os user. I want to compile some C code in xcode but I can't run it because it says "implicit declaration of function is invalid in C99". However, when I run the same piece of code on my windows machine it runs. What do I do?