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Qu'est-ce (qui) est malloc - définition

MEMORY MANAGEMENT

Calloc; Realloc; Free (programming); Valloc; Farmalloc; Double free; Free(); Alloc.h; C memory management; Malloc; Jemalloc; Dlmalloc; Ptmalloc; Std::realloc; Std::malloc; Std::calloc; Std::free; Aligned alloc; Std::aligned alloc

malloc

C's standard library routine for storage allocation. It takes the number of bytes required and returns a pointer to a block of that size. Storage is allocated from a heap which lies after the end of the program and data areas. Memory allocated with malloc must be freed explicitly using the "free" routine before it can be re-used. gc is a storage allocator with garbage collection that is intended to be used as a plug-in replacement for malloc.

C dynamic memory allocation

C dynamic memory allocation refers to performing manual memory management for dynamic memory allocation in the C programming language via a group of functions in the C standard library, namely , , and .

https://en.wikipedia.org/wiki/C_dynamic_memory_allocation

Wikipédia

C dynamic memory allocation

C dynamic memory allocation refers to performing manual memory management for dynamic memory allocation in the C programming language via a group of functions in the C standard library, namely malloc, realloc, calloc, aligned_alloc and free.

The C++ programming language includes these functions; however, the operators new and delete provide similar functionality and are recommended by that language's authors. Still, there are several situations in which using new/delete is not applicable, such as garbage collection code or performance-sensitive code, and a combination of malloc and placement new may be required instead of the higher-level new operator.

Many different implementations of the actual memory allocation mechanism, used by malloc, are available. Their performance varies in both execution time and required memory.

https://en.wikipedia.org/wiki/C dynamic memory allocation