There's no new/delete expression in C.
The closest equivalent are the malloc and free functions, if you ignore the constructors/destructors and type safety.
#include <stdlib.h>
int* p = malloc(sizeof(*p)); // int* p = new int;
...
free(p); // delete p;
int* a = malloc(12*sizeof(*a)); // int* a = new int[12];
...
free(a); // delete[] a;
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Top answer 1 of 6
66
There's no new/delete expression in C.
The closest equivalent are the malloc and free functions, if you ignore the constructors/destructors and type safety.
#include <stdlib.h>
int* p = malloc(sizeof(*p)); // int* p = new int;
...
free(p); // delete p;
int* a = malloc(12*sizeof(*a)); // int* a = new int[12];
...
free(a); // delete[] a;
2 of 6
11
Note that constructors might throw exceptions in C++. The equivalent of player* p = new player(); would be something like this in C.
struct player *p = malloc(sizeof *p);
if (!p) handle_out_of_memory();
int err = construct_player(p);
if (err)
{
free(p);
handle_constructor_error();
}
The equivalent of delete p is simpler, because destructors should never "throw".
destruct(p);
free(p);
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en.cppreference.com › w › cpp › language › new.html
new expression - cppreference.com
The first dimension of zero is acceptable, and the allocation function is called. The new expression allocates storage by calling the appropriate allocation function. If type is a non-array type, the name of the function is operator new.
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Cppreference
en.cppreference.com › w › cpp › memory › new › operator_new
operator new, operator new[] - cppreference.com
The standard library's non-allocating placement forms of operator new (9,10) cannot be replaced and can only be customized if the placement new expression did not use the ::new syntax, by providing a class-specific placement new (19,20) with matching signature: void* T::operator new(std::size_t, void*) or void* T::operator new[](std::size_t, void*).
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NEW'C – Site Officiel
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Wikipedia
en.wikipedia.org › wiki › New_and_delete_(C++)
new and delete (C++) - Wikipedia
November 11, 2025 - Except for a form called the "placement new", the new operator denotes a request for memory allocation on a process's heap. If sufficient memory is available, new initialises the memory, calling object constructors if necessary, and returns the address to the newly allocated and initialised memory.
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Cplusplus
cplusplus.com › reference › new
new
This header describes functions used to manage dynamic storage in C++. Exceptionally within the standard library, this header declares several functions in the global namespace instead of within the std namespace: These are the operator overloads for operator new and operator delete, which ...
GeeksforGeeks
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February 21, 2023 - The new operator is an operator which denotes a request for memory allocation on the Heap. If sufficient memory is available, new operator initializes the memory and returns the address of the newly allocated and initialized memory to the pointer ...
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