malloc c++ example
#include <iostream>
#include <cstdlib>
using namespace std;
int main()
{
int *ptr;
ptr = (int*) malloc(5*sizeof(int));
if(!ptr)
{
cout << "Memory Allocation Failed";
exit(1);
}
cout << "Initializing values..." << endl << endl;
for (int i=0; i<5; i++)
{
ptr[i] = i*2+1;
}
cout << "Initialized values" << endl;
for (int i=0; i<5; i++)
{
/* ptr[i] and *(ptr+i) can be used interchangeably */
cout << *(ptr+i) << endl;
}
free(ptr);
return 0;
}
5
2
void* malloc(size_t size);
Thank you!
2
0
0
2
int alloc_size = 10;
int* buffer = (int*) malloc (alloc_size);
//Allocate memory block which can fit 10 integers
Thank you!
2
0
Are there any code examples left?
New code examples in category C++