77     grid *g;  in newgrid()
79     g = (grid *)rt_getmem(sizeof(grid));  in newgrid()
80     memset(g, 0, sizeof(grid));  in newgrid()
106     grid *g = (grid *)obj;  in grid_bbox()
116     grid *g = (grid *)v;  in grid_free()
176 static int cellbound(grid *g, gridindex *index, vector *cmin, vector *cmax) {  in cellbound()
274     grid *g;  in engrid_scene()
291         g = (grid *)newgrid(numcbrt, numcbrt, numcbrt, gmin, gmax);  in engrid_scene()
311 void engrid_objlist(grid *g, object **list) {  in engrid_objlist()
332 static int engrid_cell(grid *gold, gridindex *index) {  in engrid_cell()
336     grid *g;  in engrid_cell()
366         g = (grid *)newgrid(xs, ys, zs, gmin, gmax);  in engrid_cell()
381 static int engrid_objectlist(grid *g, objectlist **list) {  in engrid_objectlist()
409 static int engrid_object(grid *g, object *obj) {  in engrid_object()
446 static int pos2grid(grid *g, vector *pos, gridindex *index) {  in pos2grid()
470 static void grid_intersect(grid *g, ray *ry) {  in grid_intersect()
623 static void voxel_intersect(grid *g, ray *ry, int voxindex) {  in voxel_intersect()
633 static int grid_bounds_intersect(grid *g, ray *ry, flt *nr, flt *fr) {  in grid_bounds_intersect()