__curbrk          288 opal/mca/memory/patcher/memory_patcher_component.c extern void *__curbrk; /* in libc */
__curbrk          299 opal/mca/memory/patcher/memory_patcher_component.c     old_addr = __curbrk;
__curbrk          314 opal/mca/memory/patcher/memory_patcher_component.c         __curbrk = new_addr;
__curbrk          319 opal/mca/memory/patcher/memory_patcher_component.c         new_addr = __curbrk;