Commit | Line | Data |
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6fd945b9 TL |
1 | extern int accessnum; /* number of nodes accessible from START */ |
2 | extern VERT *after; /* node numbers associated with after numbers of depth first search */ | |
3 | extern int *ntobef; /* before numbers associated with nodes */ | |
4 | extern int *ntoaft; /* after numbers associated with nodes */ |