Advanced error checking and structures, C/C++ Programming

Assignment Help:

   It is standard on functions to provide some indication that the function has succeeded in its operation. Consider the Scanf function:

    scanf("%d",&number1);
 
If the function does indeed get a integer from the keyboard then everything is okay, but what happens if the user types in a char or float etc. The program might crash, it is common to write functions which never crash but return an error code. On the function scanf, the full prototype is

    int scanf("format",&variables);
 
The int is used to provide details of correct operation i.e. number of values  input or '-1' error . We can use this in programs to trap errors and repeat functions etc. The appended ANSI library shows full prototypes and meaning of return values from functions.


Related Discussions:- Advanced error checking and structures

Differences between a pointer and a reference, Differences between a pointe...

Differences between a pointer and a reference 1.  A reference must always point to some object where as this restriction is not imposed on a pointer. e.g. int *pi = 0;

Explain the switch construct, The Switch Construct The switch statement...

The Switch Construct The switch statement is a multi-way decision-making construct that tests an expression matches one of a number of constant values, and branches accordingly

C++ Assignment Help me , Write a c++ program that contain the following fun...

Write a c++ program that contain the following functions : 1) Function Quality_Point that takes one int argument (student_average) and return ‘A’ if the student_average between 90-

HASH., Define hash functions. Explain the Division method, Mid square metho...

Define hash functions. Explain the Division method, Mid square method and Folding method of hash functions.

C program for sorting of long word with different string, C Program for SOR...

C Program for SORTING OF LONG WORD WITH DIFFERENT STRING #include stdio.h> #include conio.h> #include string.h>   void main() {           char n[50],c[25][25]

#program, Ask question #Minimum 100 words accepted program for polishin...

Ask question #Minimum 100 words accepted program for polishing jewels#

What does it mean to declare a function as a static, (c) A static member fu...

(c) A static member function can access static member data only, static member functions and functions and data outside the class. A static member function may be called, even whil

Decode the given code, write c++ program to decode the given code. in mobil...

write c++ program to decode the given code. in mobile keypad the integers from 1 to 9 will display the characters from a to z and 0 will assign a space

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd