#include #include void main() { char c; printf("Try to type a lower case character.\n"); printf("I dare ya. Double dare ya!\n"); printf("Press ~ to end.\n"); for(;;) { c=getch(); if(c>='A' && c<='Z') //look for CAPS c+=32; //make it little putch(c); //display character if(c=='~') //Quit with ~ break; } }