100    struct _Seg* nextfree;  member
124       return seg->nextfree != (Seg*)1;  in Seg__is_freed()
151       UWord nextfree; /* 0 .. N_SEGS_PER_GROUP */  member
178    tl_assert(group_list->nextfree <= N_SEGS_PER_GROUP);  in new_Seg()
179    if (group_list->nextfree == N_SEGS_PER_GROUP) {  in new_Seg()
184    tl_assert(group_list->nextfree < N_SEGS_PER_GROUP);  in new_Seg()
185    teg = &group_list->segs[ group_list->nextfree ];  in new_Seg()
186    group_list->nextfree++;  in new_Seg()
196       seg->nextfree = (Seg*)1;  in get_Seg_for_malloc()
204    freesegs_oldest = seg->nextfree;  in get_Seg_for_malloc()
206    seg->nextfree = (Seg*)1;  in get_Seg_for_malloc()
218       seg->nextfree = NULL;  in set_Seg_freed()
230       tl_assert(freesegs_youngest->nextfree == NULL);  in set_Seg_freed()
232       seg->nextfree = NULL;  in set_Seg_freed()
233       freesegs_youngest->nextfree = seg;  in set_Seg_freed()