About the errors category

Please post here errors that you receive when trying to upload code from circuito.io to Arduino

Arduino: 1.8.5 (Windows 10), Board: “Arduino/Genuino Uno”

In file included from C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Arduino.h:23:0,

             from C:\Users\famalam\Downloads\clock_finger_countdown\clock_finger_countdown.ino:11:

c:\program files (x86)\arduino\hardware\tools\avr\avr\include\stdlib.h: In function ‘void loop()’:

c:\program files (x86)\arduino\hardware\tools\avr\avr\include\stdlib.h:56:8: error: expected unqualified-id before string constant

extern “C” {

    ^

clock_finger_countdown:200: error: expected ‘}’ at end of input

           }

           ^

exit status 1
expected ‘}’ at end of input

This report would have more information with
“Show verbose output during compilation”
option enabled in File -> Preferences.

hi I use dyour app to help wire and construct a code but as I compiled and verified it I got this message any ideas whats gone wrong as im quite the novice in regards to this, thanks jamie