Sams Teach Yourself C in 21 Days

A better solution is to make sure there are no extra characters waiting in stdinbefore prompting the user for input. You can do ...

Working with the Screen, Printer, and Keyboard 355 14 Enter your age: 29 and never older! Enter your first name: Bradley Your ag ...

Enter your age. 29 and never older! Enter your first name. Bradley Your age is 29. Your name is Bradley. As you can see in line ...

Working with the Screen, Printer, and Keyboard 357 14 25: /* Use field width to split input. */ 26: 27: puts(“Enter a 5 digit in ...

data. Lines 17 through 21 have you enter and print long integers and a double. Line 23 calls the fflush()function to clear any u ...

Working with the Screen, Printer, and Keyboard 359 14 This function writes the character stored in ctostdout. Although the proto ...

17: 18: if (message[count] == ‘\0’) 19: { 20: putchar(‘\n’); 21: break; 22: } 23: else 24: 25: /* If end of string not found, wr ...

Working with the Screen, Printer, and Keyboard 361 14 Theputs()function can be used to display any type of string, as demonstrat ...

Theprintf()function takes a variable number of arguments, with a minimum of one. The first and only required argument is the for ...

Working with the Screen, Printer, and Keyboard 363 14 TABLE14.5 Theprintf()andfprintf()conversion characters Conversion Characte ...

The precision specifier consists of a decimal point (.) by itself or followed by a number. A precision specifier applies only to ...

Working with the Screen, Printer, and Keyboard 365 14 As explained on Day 7, the printf()format string can contain escape sequen ...

22: printf(“%25f\n”, d1); 23: 24: puts(“\n Press Enter to continue...”); 25: fflush(stdin); 26: getchar(); 27: 28: puts(“\nUse t ...

Working with the Screen, Printer, and Keyboard 367 14 Outputting a number with different field widths. 10000.123047 10000.123047 ...

12 014 0XC 13 015 0XD 14 016 0XE 15 017 0XF 16 020 0X10 17 021 0X11 18 022 0X12 19 023 0X13 Press Enter to continue... Use the % ...

Working with the Screen, Printer, and Keyboard 369 14 LISTING14.14 redirect.c. the redirection of input and output 1: /* Can be ...

The input was: William Shakespeare The stream stdinwas redirected to the disk file INPUT.TXT, so the program’s call to gets()rea ...

Working with the Screen, Printer, and Keyboard 371 14 error_message(“An error has occurred.”); void error_message(char *msg) { f ...

If your DOS system has a printer connected to port LPT1:, you can compile and run this program. It prints three lines on the pag ...

Working with the Screen, Printer, and Keyboard 373 14 When you use stdinandstdout, you can redirect program input and output. In ...