Can you translate this code into c language?

using System; using System.Collections;

namespace Polish { internal class Program { public enum Operators { ADD = 0, SUB = 1, MUL = 2, DIV = 3 }

private static bool OperatorCheck(string ch) { return ((ch == "+") | (ch == "-") | (ch == "*") | (ch == "/")); }

private static int OperatorType(string ch) { switch (ch) { case "+": return (int)Operators.ADD; case "-": return (int)Operators.SUB; case "*": return (int)Operators.MUL; case "/": return (int)Operators.DIV; default: return -1; } }

private static double Calculate(string ch, double value, double value2) { var Operator = OperatorType(ch); switch (Operator) { case 0: return value + value2; case 1: return value - value2; case 2: return value * value2; case 3: return value / value2; default: Console.WriteLine("Hatal giri yaptnz!"); return -1; } } public static void Main(string[] args) { Stack stack = new Stack(); Console.Write("Polish Notasyonu giriniz:"); var notation = Console.ReadLine()?.Split(' ');

for (int i = notation.Length - 1; i >= 0; i--) { //OPERATOR MU KONTROL ET if (OperatorCheck(notation[i])) { // EGER GELEN DEGER OPERATORSE HESAPLAMA ISLEMINI YAP stack.Push(Calculate(notation[i], double.Parse((string)stack.Pop()), double.Parse((string)stack.Pop())).ToString()); } else { // GELEN DEGER OPERATOR DEGILSE DIREKT EKLE stack.Push(notation[i]); } }

while (stack.Count != 0) { Console.WriteLine(stack.Pop()); } } } }