sbrk 301 opal/mca/memory/patcher/memory_patcher_component.c old_addr = sbrk (0); sbrk 321 opal/mca/memory/patcher/memory_patcher_component.c new_addr = sbrk (0); sbrk 565 oshmem/mca/memheap/ptmalloc/malloc.c #define MORECORE sbrk sbrk 1257 oshmem/mca/memheap/ptmalloc/malloc.c extern void* sbrk(ptrdiff_t);