1 /* 2 * @(#)2.def.h 4.1 (Berkeley) 83/02/11 3 */ 4 extern int accessnum; /* number of nodes accessible from START */ 5 extern VERT *after; /* node numbers associated with after numbers of depth first search */ 6 extern int *ntobef; /* before numbers associated with nodes */ 7 extern int *ntoaft; /* after numbers associated with nodes */ 8