/in/foo.c: In function 'devide':
/in/foo.c:13:15: error: 'm' undeclared (first use in this function)
    devide(n-i,m); 
               ^
/in/foo.c:13:15: note: each undeclared identifier is reported only once for each function it appears in
/in/foo.c:13:4: error: too many arguments to function 'devide'
    devide(n-i,m); 
    ^~~~~~
/in/foo.c:3:7: note: declared here
  void devide(int n)
       ^~~~~~
/in/foo.c: In function 'main':
/in/foo.c:21:3: error: too many arguments to function 'devide'
   devide(n,1);
   ^~~~~~
/in/foo.c:3:7: note: declared here
  void devide(int n)
       ^~~~~~