can't find lib file gvc.h in my c++ project

Actually I installed graphviz using yum install graphviz* without knowing much details about it.
And then I used dot, gvfs-open commands at first, and they work perfectly.
But when I am trying to use graphviz in my c++ project according to user manual.
I came across the lib problem. gcc complains that there is no gvc.h file at all.
I google here and there, but failed to find any clues about this problem.

Anyone gives any suggestions about this?


int main(int argc, char** argv){

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