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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.
The Conditional Expression Operator An alternate method to using a simple if-else construct is the conditional expressions operator, ?: A conditional expression operato
Ravi is a newbie to the programming and while learning the programming language he came to know the following rules: · Each program must start with ''''{'''' and end with ''''}
Description: Create a program that allows the user to track the hours an employee worked in a week. How much the employee was paid and any extra hours worked (overtime pay).
What are the debugging methods you employ while came across a problem? A: Debugging with tools such as: 1. DBG, GDB ,Forte, Visual Studio. 2. Using tusc to trace
Smugglers are becoming very smart day by day. Now they have developed a new technique of sending their messages from one smuggler to another. In their new technology, they are send
A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome
how objects are initialized dynamically?
Draw a circle in c program: void main() { clrscr(); int i,r=50,t,j,x,y; int gd,gm; gd =DETECT; initgraph(&gd,&gm,""); for(x=50;x for(y=50;y { i
Design and implement a library system that does the following: ? Takes details of a student/library users: first name, last name, other names, user ID number, and nationality. Th
Define a class polynomial with three private data members a, b and c of type double to represent the coefficient of two degree polynomial(ax^2+bx+c). Include a constructor in a pol
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