DLMALLOC_EXPORT void mheap_get_trace (uword offset, uword size);
DLMALLOC_EXPORT void mheap_put_trace (uword offset, uword size);
DLMALLOC_EXPORT int mspace_enable_disable_trace (mspace msp, int enable);
DLMALLOC_EXPORT void mheap_get_trace (uword offset, uword size);
DLMALLOC_EXPORT void mheap_put_trace (uword offset, uword size);
DLMALLOC_EXPORT int mspace_enable_disable_trace (mspace msp, int enable);