Thread: How many memeory does malloc will going to assign with defination ?

Hello,

what is the default return type of malloc.
and how mamy memory malloc will going to assign with this atatement

Code:

void * ptr;

ptr = malloc(10);

And also how we can calculate how many memeory is assign by malloc in case if we want to check does malloc has allocate the required amount of memory or not.

Thanks,
Gunjan

Originally Posted by gunjansethi

Hello,

what is the default return type of malloc.
and how mamy memory malloc will going to assign with this atatement

Code:

void * ptr;

ptr = malloc(10);

And also how we can calculate how many memeory is assign by malloc in case if we want to check does malloc has allocate the required amount of memory or not.

Thanks,
Gunjan

The return type of malloc is void* ... which can be assigned to any pointer.

You don't/can't check how much memory is assigned to a pointer, you have to keep track of that yourself.