#include <stdio.h>

int main()
{
   char c_alt, c_neu, c = 'z';

   c_neu = (c_alt = c, c = 'a');
   printf("c = %c\n", c);
   printf("c_alt = %c\n", c_alt);
   printf("c_neu = %c\n", c_neu);

   return 0;
}