text: #ifndef JEMALLOC_INTERNAL_LARGE_EXTERNS_H
  #define JEMALLOC_INTERNAL_LARGE_EXTERNS_H
  
  void	*large_malloc(tsdn_t *tsdn, arena_t *arena, size_t usize, bool zero);
  void	*large_palloc(tsdn_t *tsdn, arena_t *arena, size_t usize,
      size_t alignment, bool zero);
  bool	large_ralloc_no_move(tsdn_t *tsdn, extent_t *extent, size_t usize_min,
      size_t usize_max, bool zero);
  void	*large_ralloc(tsdn_t *tsdn, arena_t *arena, extent_t *extent,
      size_t usize, size_t alignment, bool zero, tcache_t *tcache);
  #ifdef JEMALLOC_JET
  typedef void (large_dalloc_junk_t)(void *, size_t);
  extern large_dalloc_junk_t *large_dalloc_junk;
  typedef void (large_dalloc_maybe_junk_t)(void *, size_t);
  extern large_dalloc_maybe_junk_t *large_dalloc_maybe_junk;
  #else
  void	large_dalloc_junk(void *ptr, size_t usize);
  void	large_dalloc_maybe_junk(void *ptr, size_t usize);
  #endif
  void	large_dalloc_prep_junked_locked(tsdn_t *tsdn, extent_t *extent);
  void	large_dalloc_finish(tsdn_t *tsdn, extent_t *extent);
  void	large_dalloc(tsdn_t *tsdn, extent_t *extent);
  size_t	large_salloc(tsdn_t *tsdn, const extent_t *extent);
  prof_tctx_t	*large_prof_tctx_get(tsdn_t *tsdn, const extent_t *extent);
  void	large_prof_tctx_set(tsdn_t *tsdn, extent_t *extent, prof_tctx_t *tctx);
  void	large_prof_tctx_reset(tsdn_t *tsdn, extent_t *extent);
  
  #endif /* JEMALLOC_INTERNAL_LARGE_EXTERNS_H */
  