Why does malloc initialize the values to 0 in gcc?

Why does malloc initialize the values to 0 in gcc?

c linux gcc malloc

linux

Does malloc lazily create the backing pages for an allocation on Linux (and other platforms)?

linux malloc

linux

What are the differences between (and reasons to choose) tcmalloc/jemalloc and memory pools?

c linux memory malloc tcmalloc

linux

What does malloc(0) return? [duplicate]

c linux pointers malloc realloc

linux

How does malloc work in a multithreaded environment?

c linux gcc malloc x86-64

linux

Specifically, how does fork() handle dynamically allocated memory from malloc() in Linux?

c linux malloc fork heap-memory

linux

Examining C/C++ Heap memory statistics in gdb

linux gdb malloc x86-64 heap-memory

linux

C++ memory allocation mechanism performance comparison (tcmalloc vs. jemalloc)

c++ linux malloc tcmalloc

linux

Is malloc deterministic?

c linux gcc x86 malloc

linux

What if I allocate memory using mmap instead of malloc?

c linux memory-management malloc mmap

linux

Why can we allocate a 1 PB (10^15) array and get access to the last element, but can't free it?

c linux malloc mmap virtual-address-space

linux

How does mmap work?

linux memory malloc mmap

linux

Code for malloc and free

c linux malloc free

linux

In malloc, why use brk at all? Why not just use mmap?

c linux malloc mmap brk

linux

Why is malloc not "using up" the memory on my computer?

c linux memory-management malloc

linux