Dynamic memory management

 

C

Compiler support

Language

Headers

Type support

Program utilities

Variadic function support

Error handling

Dynamic memory management

Strings library

Algorithms

Numerics

Date and time utilities

Input/output support

Localization support

Concurrency support (C11)

Technical Specifications

Symbol index

 

Dynamic memory management

malloc

calloc

realloc

free

free_sized (C23)

free_aligned_sized (C23)

aligned_alloc (C11)

 

Functions

Defined in header <stdlib.h>
malloc	allocates memory (function)
calloc	allocates and zeroes memory (function)
realloc	expands previously allocated memory block (function)
free	deallocates previously allocated memory (function)
free_sized (C23)	deallocates previously allocated sized memory (function)
free_aligned_sized (C23)	deallocates previously allocated sized and aligned memory (function)
aligned_alloc (C11)	allocates aligned memory (function)

See also

C++ documentation for C memory management library

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