1*3d8817e4Smiod #ifndef cg_dfn_h
2*3d8817e4Smiod #define cg_dfn_h
3*3d8817e4Smiod 
4*3d8817e4Smiod /*
5*3d8817e4Smiod  * Flags which mark a symbol as topologically ``busy'' or as
6*3d8817e4Smiod  * topologically ``not_numbered'':
7*3d8817e4Smiod  */
8*3d8817e4Smiod #define	DFN_BUSY	-1
9*3d8817e4Smiod #define	DFN_NAN		0
10*3d8817e4Smiod 
11*3d8817e4Smiod /*
12*3d8817e4Smiod  * Depth-first numbering of a call-graph.
13*3d8817e4Smiod  */
14*3d8817e4Smiod 
15*3d8817e4Smiod extern void cg_dfn (Sym * root);
16*3d8817e4Smiod 
17*3d8817e4Smiod #endif /* cg_dfn_h */
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