How to initialize a wchar_t variable?

Question

I am reading the book: C: In a Nutshell, and after reading the section Character Sets, which talks about wide characters, I wrote this program:

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Answer 1

This works for me

#include 
#include 
#include 
#include 

int main(void) {
  wchar_t wc = L'\x3b1';

  setlocale(LC_ALL, "en_US.UTF-8");
  wprintf(L"%lc\n", wc);
  return 0;
}