C&c server là gì

C is a procedural programming language. It was initially developed by Dennis Ritchie as a system programming language to write operating system. The main features of C language include low-level access khổng lồ memory, simple set of keywords, and clean style, these features make C language suitable for system programming like operating system or compiler development.Recent Articles on C !C Output & Multiple Choice QuestionsBasics, Variable Declaration, Definition & Scope, Data Types, Storage Classes, Input/Output, Operators, Preprocessor, Array và Strings, Control Statements, Functions, Pointers, Enum, Struct và Union, Memory Management, file Handling, Puzzles, Misc, C Language Interview Questions, Multiple Choice Questions

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C Language IntroductionC Programming Language Standardint (1 sign bit + 31 data bits) từ khóa in CIs it fine lớn write “void main()” or “main()” in C/C++?Difference between “int main()” & “int main(void)” in C/C++?Macros and Preprocessors in CCompiling a C program:- Behind the ScenesBenefits of C over other languagesProgram error signalsEscape sequences in CLine Slicing in CC/ C++ Tokens
Variables và Keywords in CHow are variables scoped in C – Static or Dynamic?Scope rules in CHow Linkers Resolve Multiply Defined Global Symbols?Quiz on Variable Declaration & ScopeComplicated declarations in CRedeclaration of global variable in CInternal & External LinkageDeclare variable as constantWhy variables doesn’t start with numbersRedeclaration of global variablesInitialization of global & static variables
Storage Classes in CStatic Variables in CUnderstanding “extern” keyword in CWhat are the mặc định values of static variables in C?Understanding “volatile” qualifier in CConst Qualifier in CInitialization of static variables in CUnderstanding “register” từ khóa in CQuiz on Storage Classes in CUnderstanding volatile qualifier in C- phối 1
Returned values of printf() và scanf()What is return type of getchar(), fgetc() and getc() ?Scansets in Cputs() vs printf() for printing a stringWhat is use of %n in printf() ?How khổng lồ print % using printf()?Quiz on Input đầu ra in CDifference between printf, sprintf và fprintf?Difference between getc(), getchar(), getch() và getche()Difference between %d and %i format specifierUse of fflush(stdin) in CClearing input buffer in C/C++scanf() và fscanf() in Cgetchar_unlocked() in CProblem with scanf()Differentiate printable and control characterrand() and srand() in C/C++
Introduction to lớn operators in C & Arithmetic OperatorsRelational and Logical Operators in CBitwise Operators in COperator Precedence and Associativity in CEvaluation order of operandsComma in C and C++sizeof operator in COperands for sizeof operatorA comma operator questionResult of comma operator as l-value in C and C++Order of operands for logical operatorsIncrement (Decrement) operators require L-value ExpressionPrecedence of postfix ++ and prefix ++ in C/C++Modulus on Negative NumbersC/C++ Ternary Operator – Some Interesting ObservationsPre-increment (or pre-decrement) in C++Difference between ++*p, *p++ and *++pResults of comparison operations in C & C++To find sum of two numbers without using any operatorSequence Points in CExecution of printf with ++ operatorsAnything written in sizeof() is never executedDifference between strlen() and sizeof()Stringizing and Token-pasting operator
Write a C macro PRINT(x) which prints xVariable length arguments for MacrosMultiline macros in CCRASH() macro – interpretationThe OFFSETOF() macro,Branch prediction macros in GCCDiffference between #define và const in C?A C Programming Language PuzzleWhat’s difference between header files “stdio.h” và “stdlib.h” ?How to print a variable name in C?Constants in CHow a Preprocessor worksPreprocessor Directives : Behind the scene-1Preprocessor Directives : Behind the scene-2isgraph() library functionwrite your own header file in Cdifftime() library functiontmpnam() library function_Generic từ khóa in Cmath.h library functionstypedef versus #define in Cstrftime() library functionexec family of functions
Introduction to Arrays in C LanguageStrings in C LanguageProperties of array in C LanguageDo not use sizeof for array parametersInitialization of variables sized arrays in CAre array members deeply copied?What is the difference between single quoted và double quoted declaration of char array?Initialization of a multidimensional arrays in C/C++Write one line functions for strcat() and strcmp()What’s difference between char s<> and char *s in Cgets() is risky to lớn use!C function to lớn Swap strings,Storage for Strings in CDifference between array và pointerHow to dynamically allocate a 2d array in C?How khổng lồ pass a 2d array as a parameter in C?How to write long strings in Multi-lines C/C++?What are the data types for which it is not possible lớn create an array?Variable Length Arrays in C và C++Short hand array notationAccessing array out of boundsstrcpy() in C/C++strcmp() in C/C++strdup() & strdndup() in C/C++Pass an array by valueReverse a string in C/C++strpbrk() in Cstrcoll() in C/C++ispunct() in Cstrspn() in Cisalpha() & isdigit() in C/C++
What should be data type of case labels of switch statement in C?For Versus WhileA nested loop puzzleswitch statement in CDifference between while(1) và while(0)goto statementContinue StatementBreak StatementUsing range in switch case

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Functions in CImportance of function prototype in CFunctions that are executed before & after main() in Creturn statement vs exit() in main()How to lớn Count Variable Numbers of Arguments in C?,What is evaluation order of function parameters in C?Does C support function overloading?How can we return multiple values from a function?What is the purpose of a function prototype?Static functions in Cexit(), abort() and assert()Implicit return type int in CWhat happens when a function is called before its declaration in C?_Noreturn function specifier in Cexit() vs _Exit()__func__ identifier in CCallback function in CNested functions in CParameter Passing Techniquespow() function in Ctolower() function in Ctime() function in C
Introduction to lớn pointers in C và C++Double Pointer (Pointer khổng lồ Pointer) in CWhy C treats array parameters as pointers?Output of the program | Dereference, Reference, Dereference, ReferenceDangling, Void , Null and Wild PointersAn Uncommon representation of array elementsHow lớn declare a pointer to a function?Pointer vs Array in Cvoid pointer in CNULL pointer in C !Function Pointer in Cnear, far and huge pointersGeneric Linked menu in Crestrict từ khoá in Cconst char *p, char * const phường and const char * const pPointer to an Array
Enum in CStructures in CUnion in CStruct HackStructure member Alignment, Padding và Data PackingOperations on struct variables in CBit Fields in CStructure Sorting (By Multiple Rules) in C++Flexible array members in structureDifference between Structure và UnionDifference between C structures and C++ structuresAnonymous Union and Structure in CCompound Literals in C
Memory Layout of C Programs,How to lớn deallocate memory without using free() in C?calloc() versus malloc()How does free() know the kích cỡ of memory lớn be deallocated?Use of realloc()What is Memory Leak? How can we avoid?
fseek() vs rewind() in CEOF, getc() & feof() in Cfopen() for an existing tệp tin in write modeRead/Write structure lớn a filefgets() & gets() in CBasics of file Handlingfsetpos() in Crename function in C/C++tmpfile() function in Cfgetc() và fputc() in Cfseek() in C/C++ftell() in Clseek() in C/C++remove function in C/C++Merge contents of two files into a third filePrint contents of file in C
C Program khổng lồ print numbers from 1 lớn N without using semicolon?How to lớn find sum of two numbers without using any operatorHow will you show memory representation of C variables?Condition to Print “HelloWord”Change/add only one character và print ‘*’ exactly 20 timesHow can we sum the digits of a given number in single statement?What is the best way in C to convert a number lớn a string?Calculate Logn in one linePrint “Even” or “Odd” without using Conditional statementHow will you print numbers from 1 to lớn 100 without using loop?How can we sum the digits of a given number in single statement?How will you print “Geeks for Geeks” without using a semicolonWrite a one line C function to round floating point numbersHow will implement Your Own sizeofHow to lớn count phối bits in a floating point number in C?How to change the output đầu ra of printf() in main() ?How to find length of a string without string.h & loop in C?Implement your own itoa()Write a C program that does not terminate when Ctrl+C is pressedHow lớn measure time taken by a function in C?Print a long int in C using putchar() onlyConvert a floating point number lớn string in CHow to write a running C code without main()?Write your own memcpy()C program lớn print characters without using format specifiersC program khổng lồ print a string without any quote (singe or double) in the programExecute both if & else statements simultaneouslyPrint “Hello World” without using any header file
Quine – A self-reproducing programComplicated declarations in CUse of bool in CSequence Points in C | phối 1Optimization Techniques | set 2 (swapping),ASCII NUL, ASCII 0 (’0?) and Numeric literal 0Little và Big Endian Mystery,Comparator function of qsort() in CProgram lớn validate an IP addressMultithreading in CAssertions in C/C++fork() in CInteresting Facts in C ProgrammingPrecision of floating point numbers in C++ (floor(), ceil(), trunc(), round() and setprecision())setjump() và longjump() in Cnextafter() và nexttoward() in C/C++pthread_cancel() in Cpthread_equal() in Cpthread_self() in CLocal Labels in Clvalue & rvalue in CGet and set the stack size of thread attributeDifference between fork() and exec()Errors in C/C++Why is C considered faster than other languagesIncompatibilities between C và C++Convert C/C++ code to lớn assembly languageError Handling in CExecuting main() in C/C++ : Behind the sceneHygienic Macros in CCommand line arguments in C/C++scanf(), fscanf(), sscanf(), scanf_s(), fscanf_s(), sscanf_s()Some Interesting Facts in C ProgrammingDatabase Connectivity using C/C++Function Interposition in CMacros vs FunctionsWrite your own memcpy() & memmove()
Commonly Asked C Programming Interview Questions | phối 1Commonly Asked C Programming Interview Questions | mix 2

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