/* * Purpose: Program to demonstrate the 'getchar' function. * The prog will read data entered via the keyboard. And return * the number of characters entered. * Author: M J Leslie * Date: 08-May-94 */ #include #include int readch(void); main() { printf("%c",readch()+1); } int readch(void) { char ch; read(0, &ch, 1); return (ch); }