View Compilation Error

0_0_26194770_8299.cpp: In function 'int main()':
0_0_26194770_8299.cpp:70:19: error: too few arguments to function 'void Is::g_i(int&)'
  int t; t=Is::g_i();
                   ^
0_0_26194770_8299.cpp:15:14: note: declared here
  inline void g_i(int &x) {
              ^
0_0_26194770_8299.cpp:73:23: error: too few arguments to function 'void Is::g_i(int&)'
   int n,tt; n=Is::g_i();
                       ^
0_0_26194770_8299.cpp:15:14: note: declared here
  inline void g_i(int &x) {
              ^
0_0_26194770_8299.cpp:75:15: error: too few arguments to function 'void Is::g_i(int&)'
    tt=Is::g_i();
               ^
0_0_26194770_8299.cpp:15:14: note: declared here
  inline void g_i(int &x) {
              ^