C memory management library

 

C

Language

headers

Type support

Dynamic memory management

Error handling

Program utilities

Variadic function support

Date and time utilities

Strings library

Algorithms

Numerics

Input/output support

Localization support

Thread support (C11)

Atomic operations (C11)

Technical Specifications

 

Dynamic memory management

malloc

calloc

realloc

free

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)
aligned_alloc (C11)	allocates aligned memory (function)

References

• C11 standard (ISO/IEC 9899:2011):

• 7.22.3 Memory management functions (p: 347-349)

• C99 standard (ISO/IEC 9899:1999):

• 7.20.3 Memory management functions (p: 313-314)

• C89/C90 standard (ISO/IEC 9899:1990):

• 4.10.3 Memory management functions

See also

C++ documentation for C memory management library