free

<alloc>
function
[defunc [free [void* ptr]] -> void]
fn free(ptr: void*): void {}
fn free(ptr: void*): void {}

The free function releases a block of memory that was previously allocated by malloc, calloc, or realloc. The behavior is undefined if the memory block has already been released or if the pointer is invalid.

Examples

[include "std"]

[define [void* ptr] [std::malloc 4]]
[std::free ptr]
#include "std"

void* ptr = std::malloc(4);
std::free(ptr);
import malloc, free from 'std';

let ptr = malloc(4);
free(ptr);

See Also

alloc/malloc Allocate a block of memory.
alloc/realloc Re-allocate a block of memory.
alloc/premalloc Pre-allocates a block of memory.
Examples