C Language Zemi

free function --free the allocated memory

You can free the reserved memory area with the free function . The stdlib.h header must be include.

#include <stdlib.h>
void free (void * ptr);

Free function sample

This is a sample to free the memory using the free function.

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>

int main (void) {
  // Dynamic memory allocation
  int32_t length = 4;
  int32_t * nums = calloc (sizeof (int32_t), capacity);
  
  // process
  
  // Release with free when you no longer need it
  free (bytes);
}