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#include <stdio.h>
#include <unistd.h>
#include <signal.h>
void makeYourPlay(int number){
  char input;
  printf("Es el turno del jugador %d \n",number);
  printf("Escriba el numero de su opción:\n1-Piedra\n2-Papel\n3-Tijera\n");
}
int main(){
  int pipePlayer1[2],pipePlayer2[2],pipeWaitP1[2],pipeWaitP2[2];
  char inputPlayer1[1] = {'x'}, inputPlayer2[1] = {'x'}, waitP1[1] = {'1'},waitP2[1] = {'1'};
  pid_t pidPlayer1, pidPlayer2;
  pipe(pipePlayer1);
  pipe(pipePlayer2);
  pipe(pipeWaitP1);
  pipe(pipeWaitP2);
  // continueGame == 0 stop te game
  char continueGame = '1';
  while (continueGame != '0'){
    if (inputPlayer1[0] == 'x'){
      pidPlayer1 = fork();
      if (pidPlayer1 == 0){
        makeYourPlay(1);
        close(pipePlayer1[0]);
        close(pipeWaitP1[1]);
        scanf("%c",&inputPlayer1[0]);
        write(pipePlayer1[1],inputPlayer1,sizeof(inputPlayer1));
        while(waitP1[0] != '1'){
          read(pipeWaitP1[0],waitP1,sizeof(waitP1));
        }
      }
      else {
        close(pipePlayer1[1]);
        close(pipeWaitP1[0]);
        read(pipePlayer1[0],inputPlayer1, sizeof(inputPlayer1));
      }
    }
      if (inputPlayer2[0] == 'x'){
      pidPlayer2 = fork();
      if (pidPlayer2 = 0){
        makeYourPlay(2);
        close(pipePlayer2[0]);
        close(pipeWaitP2[1]);
        scanf("%c",&inputPlayer2[0]);
        write(pipePlayer2[1],inputPlayer2, sizeof(inputPlayer2));
        while(waitP2[0] != '1'){
          read(pipeWaitP2[0], waitP2,sizeof(waitP2));
        }
      }
      else {
        close(pipePlayer2[1]);
        close(pipeWaitP2[0]);
        read(pipePlayer2[0],inputPlayer2, sizeof(inputPlayer2));
      }
    }
    if (pidPlayer1 != 0 && pidPlayer2 != 0){
      if (inputPlayer1[0] == inputPlayer2[0]){
        printf("Ambos jugadores escogieron la misma opción, ambos mueren");
        kill(pidPlayer1, SIGKILL);
        kill(pidPlayer2, SIGKILL);

      }
    }
  }
}