__sbrk            238 third_party/tcmalloc/chromium/src/malloc_hook_mmap_linux.h extern "C" void* __sbrk(ptrdiff_t increment);
__sbrk            242 third_party/tcmalloc/chromium/src/malloc_hook_mmap_linux.h   void *result = __sbrk(increment);
__sbrk            784 third_party/tcmalloc/chromium/src/memory_region_map.cc extern "C" void* __sbrk(ptrdiff_t increment);  // defined in libc
__sbrk            205 third_party/tcmalloc/vendor/src/malloc_hook_mmap_linux.h extern "C" void* __sbrk(ptrdiff_t increment);
__sbrk            209 third_party/tcmalloc/vendor/src/malloc_hook_mmap_linux.h   void *result = __sbrk(increment);
__sbrk            621 third_party/tcmalloc/vendor/src/memory_region_map.cc extern "C" void* __sbrk(ptrdiff_t increment);  // defined in libc