#include "grhdr.h"
/* Depth-first search
**
** Written by Kiem-Phong Vo
*/
typedef struct _dfsgraph_s
{ Grdata_t data;
Grnode_t* node; /* search stack */
} Dfsgraph_t;
typedef struct _dfsnode_s
{
Grdata_t data;
Gredge_t* edge; /* edge being searched */
} Dfsnode_t;
Grnode_t* grdfs(Graph_t* gr)
{
return 0;
}