nothing
Nothing , not anything; no single thing.c# nullable
double? pi = 3.14;
char? letter = 'a';
int m2 = 10;
int? m = m2;
bool? flag = null;
// An array of a nullable value type:
int?[] arr = new int?[10];null
void fun1(struct node* head)
{
if(head == NULL)
return;
fun1(head->next);
printf("%d ", head->data);
}Copyright © 2021 Codeinu
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