[Iwao@fedora C91]$ cd ../C92
[Iwao@fedora C92]$ g++ c92.cpp -lglut -lGL -lGLU
c92.cpp: 関数 ‘void display()’ 内:
c92.cpp:58:4: エラー: ‘::gultSwapBuffers’ has not been declared; did you mean ‘glutSwapBuffers’?
   58 |  ::gultSwapBuffers() ;
      |    ^~~~~~~~~~~~~~~
      |    glutSwapBuffers
[Iwao@fedora C92]$ g++ c92.cpp -lglut -lGL -lGLU
[Iwao@fedora C92]$ ./a.out
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