/* example that demonstrates the use of functions */
#include <stdio.h>
#include <math.h>

int main (void)
{
  char Ch, k = 'A', dig = '1';
  int i = 1;
  printf("i = %i\n",i);
  printf("Please enter a character ");
  /*use getc to get a single character from standard input (keyboard */
  Ch = getc(stdin);
  /*use putc to write to standard output */
  putc(Ch,stdout);
  printf("\nk = %c, dig = %c, Ch = %c\n",k,dig,Ch);
}