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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.
Imagine that the server program is a setuid program owned by the root, then after you penetrate the program with a shell running, you become the ROOT and you can remove the whole f
write a c program chat illustrates the creation of child process using fork system call. One process finds sum of even series and other process finds sum of odd series.
There are formal ways of reducing Boolean expressions in order to minimize the logic circuit. The two elementary ways of minimization are using Boolean expressions/De Morgan Theore
Program is to store marks and name, roll no in a file: class stud { int rno; char name[20]; int m1,m2,m3; public: void acce
Write in a file: void main() { int i,j,k,l,list[1000]; FILE *fp; char any[8]; cout cin >> any; fp = fopen(any,"wb"); for(j=0;j {
assume that the first integer read with cin specifies the number of values remaining to be entered. that program should read only one value each time cin is executed .a typical inp
Write a program that illustrate Macros with Arguments? Macros is able to also have arguments, just as functions can. #define AREA(x)(3.14*x*x) Then at any time the prepr
Recursive Functions Recursion is a process by which a function includes itself with a condition for its safe exit. It is best suitable for a recursive problem. A typical exampl
Get Reverse Engineer to Linux game routine analysis Project Description: I want a fast and efficient reverse engineer with good knowledge of assembly x86 language, strong rev
Although we can handle most I/O routines with getc and putc , there are file versions of fgets, fputs, fprintf and fscanf . The syntax is fgets(stringname,n,filename); Th
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