Learning C
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C - free function
Synopsis:
#include <stdio.h>
void free(void *mem_address);
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Description:
A block of memory previously allocated using a call to malloc, calloc or realloc is deallocated, making it availbale again for further allocations.
Return Value
None.
Example
#include <stdio.h>
int main ()
{
int * buffer1, * buffer2, * buffer3;
buffer1 = (int*) malloc (100*sizeof(int));
buffer2 = (int*) calloc (100,sizeof(int));
buffer3 = (int*) realloc (buffer2,500*sizeof(int));
free (buffer1);
free (buffer3);
return 0;
}
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It will proiduce following result:
This program has no output.
This is just demonstration of allocation and deallocation of memory.
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