MALLOC()

void *malloc(int size);

 * its only parameter provides information about the size of the requested memory and 
   is expressed in bytes;
 * the function returns a pointer of type void * which points to the newly allocated 
   memory block, or is equal to NULL to indicate that the allocation requested could 
   not be granted;
 * the function doesn’t have a clue as to what we want to use the memory for and 
   therefore the result is of type void *; we’ll have to convert it to another 
   usable pointer type;
 * the allocated memory area is not filled (initiated) in any way, so you should 
   expect it to contain garbage.