// String Sample string str; main() { puts("String Library\n"); while (str=gets("Enter a string:")) { puts("\nString\"" + str + "\""); puts("\nLength = " + strlen(str)); puts("\nLeft3 = " + strleft(str,3)); puts("\nRight3 = " + strright(str,3)); puts("\n2-6 = " + substr(str, 1, 5)); puts("\nLower = " + strlwr(str)); puts("\nUpper = " + strupr(str)); puts("\n"); } }