What does malloc(0) return? [duplicate]

What does malloc(0) return? [duplicate]

c linux pointers malloc realloc

c

Does realloc overwrite old contents?

c realloc

c

Realloc on NULL-valued (or undefined) pointer

c undefined-behavior realloc

c

Do we lose data in a buffer after realloc'ing?

c memory-management realloc

c

What is the correct usage of realloc() when it fails and returns NULL?

c memory realloc

c

Why is there no "recalloc" in the C standard?

c malloc allocation realloc calloc

c

Freeing allocated memory: realloc() vs. free()

c memory malloc free realloc

c