#include <stdio.h>

char s[5];
int i;

int main() {
  s[0] = 'C';
  s[1] = 'i';
  s[2] = 'a';
  s[3] = 'o';
  s[4] = '\0'; // <= terminatore
// metodo base solo per capire
// stampo tutti i caratteri della stringa ma non il terminatore
  for(i=0;i<5;i++) {
    if( s[i] != '\0' ) {
      printf("%c",s[i]);
    }
  }
}

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