how to find inheritance class definition in cpp?

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Hello,

How to find inheritance class's definition using gtags?

code is as follows:
class A : public B
{
}

now I cannot find defination of A using gtags.
What can I do to find defination of A?

Thanks.

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<div dir=3D"ltr"><div>Hello,</div><div><br></div><div>How to find inheritan=
ce class&#39;s definition using gtags?</div><div><br></div><div>code is as =
follows:</div><div>class A : public B=C2=A0</div><div>{=C2=A0</div><div>}</=
div><div><br></div><div>now I cannot find defination of A using gtags.</div=
><div>What can I do to find defination of A?</div><div><br></div><div>Thank=
s.</div><div><br style=3D"color:rgb(0,0,0);font-family:Arial;font-size:14px=
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