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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.
M em b e r d e r e f e r e n c i ng o p e r a t o r s: T h e s e op e r a t o r s w i l l b e d i s c u s s e d l a t
Is it possible to pass an entire structure to functions? Yes, it's possible to pass an entire structure to a function in a call by method style. Some programmers prefer to decl
How do you declare an integer variable? Explain with an example.
Write a C++ program doing the following: The program reads from the keyboard the numbers of rows and columns of a 2-D array of integers. Then, it allocates this array (let’s name i
How I get C, C++, C# .net assignments ?
How do one throw polymorphically? A: Sometimes people write code such as: class MyExceptionBase { }; class MyExceptionDerived : public MyExceptionBase { };
code for boardcoloring
Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec
Example of structure: struct item { int element; node_ptr next; }; typedef node_ptr stack; stack create(void) {
Program is to append the contents of one file to another: void main() { clrscr(); fstream file1,file2; char st1[13],st2[13];/* 13 because a filename canno
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