-#ifdef JEMALLOC_DSS
-/******************************************************************************/
-#ifdef JEMALLOC_H_TYPES
-
-#endif /* JEMALLOC_H_TYPES */
-/******************************************************************************/
-#ifdef JEMALLOC_H_STRUCTS
-
-#endif /* JEMALLOC_H_STRUCTS */
-/******************************************************************************/
-#ifdef JEMALLOC_H_EXTERNS
-
-/*
- * Protects sbrk() calls. This avoids malloc races among threads, though it
- * does not protect against races with threads that call sbrk() directly.
- */
-extern malloc_mutex_t dss_mtx;
-
-void *chunk_alloc_dss(size_t size, bool *zero);
-bool chunk_in_dss(void *chunk);
-bool chunk_dealloc_dss(void *chunk, size_t size);
-bool chunk_dss_boot(void);
-
-#endif /* JEMALLOC_H_EXTERNS */
-/******************************************************************************/
-#ifdef JEMALLOC_H_INLINES
-
-#endif /* JEMALLOC_H_INLINES */
-/******************************************************************************/
-#endif /* JEMALLOC_DSS */