What do these declarations mean?

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when I look through a declaration in glut.h header file, there are some declarations that looks very unfamiliar to me:

extern int glutGet{GLenum type}; 
extern int glutGetModifiers{void};
extern GLfloat glutGetColor{int {\index{}}, int component};

I rarely saw this kind of declaration. Did I miss anything in C++ language?
Thanks a million.

What I have tried:

it looks like C# property declaration, but not sure if there is such thing in C++.

Posted 5-Mar-21 7:18am

Southmountain

Updated 5-Mar-21 12:06pm

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2 solutions

Solution 1

I know of nothing in C++ that allows this syntax.

Posted 5-Mar-21 7:37am

Greg Utas

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CPallini 6-Mar-21 9:46am

5.

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Rick York · Accepted Answer · 2021-03-05T12:06:00

Solution 2

You appear to be looking some sort of documentation file. On my machine, from GLUT-3.7.6 the glut.h file has this :

C++

GLUTAPI GLfloat APIENTRY glutGetColor(int ndx, int component);

Posted 5-Mar-21 12:06pm

Rick York

Comments

Southmountain 6-Mar-21 9:36am

Thank you very much!

CPallini 6-Mar-21 9:45am

5.