1 #ifndef cg_dfn_h 2 #define cg_dfn_h 3 4 /* 5 * Flags which mark a symbol as topologically ``busy'' or as 6 * topologically ``not_numbered'': 7 */ 8 #define DFN_BUSY -1 9 #define DFN_NAN 0 10 11 /* 12 * Depth-first numbering of a call-graph. 13 */ 14 15 extern void cg_dfn PARAMS ((Sym * root)); 16 17 #endif /* cg_dfn_h */ 18