What is the purpose of anonymous { } blocks in C style languages?

Question

What is the purpose of anonymous { } blocks in C style languages (C, C++, C#)

Example -

void function()
{

  {
    int i = 0;
    i = i + 1;
  }

          


        

Answer 1

As far as I understand, they are simply for scoping. They allow you to reuse variable names in the parent/sibling scopes, which can be useful from time to time.

EDIT: This question has in fact been answered on another Stack Overflow question. Hope that helps.