2.11BSD#431 - /usr/src/usr.bin/struct/2.def.h

   1: /*	2.def.h	4.2	83/08/11	*/
   2: 
   3: extern int accessnum;       /* number of nodes accessible from START */
   4: extern VERT *after;     /* node numbers associated with after numbers of depth first search */
   5: extern int *ntobef;     /* before numbers associated with nodes */
   6: extern int *ntoaft;     /* after numbers associated with nodes */

Usage of this include