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C zu sein a procedural programming language. It was initially developed über Dennis Ritchie as a system programming language zu write operating system. The main features of c language incorporate low-level access kommen sie memory, simple set des keywords, und clean style, these functions make c language suitable zum system programming prefer operating system or compiler development.

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Recent write-ups on c !C output & Multiple an option QuestionsBasics, variable Declaration, Definition and Scope, säule Types, storage Classes, Input/Output, Operators, Preprocessor, selection & Strings, regulate Statements, Functions, Pointers, Enum, Struct und Union, storage Management, file Handling, Puzzles, Misc, ns Language interview Questions, Multiple an option Questions


C Language IntroductionC Programming Language Standardint (1 sign little bit + 31 charme bits) keyword in CIs that fine to write “void main()” or “main()” in C/C++?Difference betwee “int main()” and “int main(void)” in C/C++?Macros und Preprocessors an CCompiling a ns program:- Behind ns ScenesBenefits of ns over various other languagesProgram verfehlt signalsEscape sequences in CLine Slicing in CC/ C++ Tokens
Variables and Keywords in CHow room variables scoped bei C – revolution or Dynamic?Scope rules in CHow Linkers solve Multiply Defined global Symbols?Quiz on change Declaration and ScopeComplicated declarations bei CRedeclaration of globalen variable bei CInternal and External LinkageDeclare variable as constantWhy variables doesn’t start with numbersRedeclaration of globalen variablesInitialization von global und static variables
Storage Classes an CStatic Variables bei CUnderstanding “extern” keyword in CWhat are the default values von static variables bei C?Understanding “volatile” qualifier in CConst Qualifier bei CInitialization des static variables an CUnderstanding “register” keyword bei CQuiz on warehouse Classes an CUnderstanding volatile qualifier an C- set 1
Returned values of printf() und scanf()What is return type von getchar(), fgetc() and getc() ?Scansets in Cputs() mit printf() weil das printing a stringWhat zu sein use von %n in printf() ?How to print % making use of printf()?Quiz on entry Output bei CDifference betwee printf, sprintf und fprintf?Difference betwee getc(), getchar(), getch() and getche()Difference between %d and %i layout specifierUse des fflush(stdin) in CClearing input buffer in C/C++scanf() and fscanf() in Cgetchar_unlocked() in CProblem through scanf()Differentiate printable und control characterrand() und srand() in C/C++
Introduction kommen sie operators an C und Arithmetic OperatorsRelational und Logical Operators an CBitwise Operators an COperator Precedence und Associativity in CEvaluation order of operandsComma in C und C++sizeof operator bei COperands zum sizeof operatorA comma operator questionResult von comma operator as l-value in C und C++Order of operands zum logical operatorsIncrement (Decrement) operators require L-value ExpressionPrecedence des postfix ++ und prefix ++ bei C/C++Modulus on negativ NumbersC/C++ Ternary Operator – Some amazing ObservationsPre-increment (or pre-decrement) in C++Difference between ++*p, *p++ and *++pResults von comparison operations bei C und C++To uncover sum des two numbers without using any operatorSequence Points in CExecution von printf v ++ operatorsAnything written in sizeof() is never executedDifference bolzen strlen() and sizeof()Stringizing and Token-pasting operator
Write a c macro PRINT(x) which prints xVariable length arguments zum MacrosMultiline macros in CCRASH() macro – interpretationThe OFFSETOF() macro,Branch prediction macros an GCCDiffference between #define and const an C?A c Programming Language PuzzleWhat’s difference between header records “stdio.h” und “stdlib.h” ?How zu print a variable name in C?Constants in CHow a Preprocessor worksPreprocessor Directives : Behind the scene-1Preprocessor Directives : Behind ns scene-2isgraph() library functionwrite your very own header file bei Cdifftime() library functiontmpnam() library function_Generic keyword in Cmath.h library functionstypedef versus #define an Cstrftime() library functionexec family von functions
Introduction kommen sie Arrays bei C LanguageStrings in C LanguageProperties of array in C LanguageDo not use sizeof for array parametersInitialization of variables size arrays in CAre selection members deeply copied?What ist the difference bolzen single quoted and double quoted declaration von char array?Initialization of a multidimensional arrays in C/C++Write one line functions zum strcat() and strcmp()What’s difference bolzen char s<> und char *s in Cgets() is risky to use!C function kommen sie Swap strings,Storage for Strings in CDifference between array and pointerHow kommen sie dynamically clues a 2D array bei C?How kommen sie pass a 2D variety as a parameter in C?How to write long strings bei Multi-lines C/C++?What room the dünn types weil das which it ist not possible zu create bei array?Variable size Arrays in C und C++Short hand array notationAccessing selection out von boundsstrcpy() an C/C++strcmp() bei C/C++strdup() and strdndup() in C/C++Pass bei array über valueReverse a string bei C/C++strpbrk() an Cstrcoll() in C/C++ispunct() an Cstrspn() in Cisalpha() und isdigit() an C/C++
What must be säule type of case labels of switch statement bei C?For versus WhileA nested loop puzzleswitch statement in CDifference bolzen while(1) and while(0)goto statementContinue StatementBreak StatementUsing range an switch case
Functions in CImportance des function prototype bei CFunctions that space executed before und after main() in Creturn statement vs exit() in main()How to Count change Numbers of Arguments an C?,What zu sein evaluation order des function parameters bei C?Does c support role overloading?How tun können we return multiple worths from a function?What is the purpose des a duty prototype?Static functions in Cexit(), abort() und assert()Implicit return type int an CWhat happens when a function zu sein called before its declaration in C?_Noreturn function specifier bei Cexit() mit _Exit()__func__ identifier bei CCallback function an CNested functions in CParameter happen Techniquespow() function bei Ctolower() function in Ctime() function bei C
Introduction zu pointers an C und C++Double guideline (Pointer to Pointer) in CWhy ns treats array parameters together pointers?Output des the regimen | Dereference, Reference, Dereference, ReferenceDangling, Void , Null und Wild PointersAn unusual representation des array elementsHow to declare a pointer to a function?Pointer vs Array an Cvoid pointer an CNULL pointer bei C !Function Pointer bei Cnear, far und huge pointersGeneric attached List in Crestrict keyword an Cconst char *p, char * const p and const char * const pPointer to bei Array
Enum an CStructures bei CUnion bei CStruct HackStructure Member Alignment, Padding and Data PackingOperations top top struct variables an CBit Fields in CStructure Sorting (By lot of Rules) an C++Flexible variety members an structureDifference betwee Structure und UnionDifference betwee C structures und C++ structuresAnonymous Union und Structure in CCompound Literals an C
Memory Layout of samen Programs,How kommen sie deallocate storage without using free() in C?calloc() versus malloc()How walk free() know the size of memory zu be deallocated?Use des realloc()What zu sein Memory Leak? How can we avoid?
fseek() mit rewind() in CEOF, getc() und feof() an Cfopen() for bei existing file in write modeRead/Write structure zu a filefgets() und gets() bei CBasics of File Handlingfsetpos() in Crename function in C/C++tmpfile() function bei Cfgetc() und fputc() an Cfseek() bei C/C++ftell() in Clseek() in C/C++remove function in C/C++Merge contents of two records into a dritter filePrint contents von file bei C
C Program to print numbers from 1 to N without using semicolon?How to find sum des two numbers there is no using any type of operatorHow möchte you zeigen memory depiction of c variables?Condition to Print “HelloWord”Change/add just one character und print ‘*’ exactly 20 timesHow tun können we sum ns digits von a given number an single statement?What ist the best way in C to convert a number to a string?Calculate Logn in one linePrint “Even” or “Odd” without utilizing Conditional statementHow wollen you publish numbers from 1 zu 100 without making use of loop?How tun können we sum die digits von a provided number in single statement?How möchte you publish “Geeks zum Geeks” without making use of a semicolonWrite a one line ns function kommen sie round floating suggest numbersHow will implement Your very own sizeofHow kommen sie count set bits in a floating allude number in C?How kommen sie change the output von printf() in main() ?How kommen sie find length von a string without string.h and loop an C?Implement your very own itoa()Write a samen program the does notfall terminate wie Ctrl+C is pressedHow to measure time taken über a function bei C?Print a lang int in C making use of putchar() onlyConvert a floating allude number to string an CHow zu write a running c code without main()?Write your own memcpy()C program zu print characters without using layout specifiersC program zu print a string without any quote (singe or double) an the programExecute both if und else explanation simultaneouslyPrint “Hello World” there is no using any header file
Quine – A self-reproducing programComplicated declarations in CUse of bool bei CSequence Points in C | collection 1Optimization approaches | set 2 (swapping),ASCII NUL, ASCII 0 (’0?) and Numeric literal meaning 0Little und Big Endian Mystery,Comparator function von qsort() in CProgram to validate in IP addressMultithreading in CAssertions bei C/C++fork() in CInteresting Facts an C ProgrammingPrecision von floating point numbers in C++ (floor(), ceil(), trunc(), round() und setprecision())setjump() and longjump() in Cnextafter() und nexttoward() in C/C++pthread_cancel() bei Cpthread_equal() in Cpthread_self() in CLocal Labels in Clvalue und rvalue in CGet und set the stack size of thread attributeDifference bolzen fork() und exec()Errors in C/C++Why is samen considered much faster than various other languagesIncompatibilities bolzen C und C++Convert C/C++ code to assembly languageError Handling an CExecuting main() in C/C++ : Behind ns sceneHygienic Macros in CCommand heat arguments in C/C++scanf(), fscanf(), sscanf(), scanf_s(), fscanf_s(), sscanf_s()Some exciting Facts an C ProgrammingDatabase Connectivity using C/C++Function Interposition in CMacros mit FunctionsWrite your own memcpy() and memmove()
Commonly Asked c Programming interview Questions | set 1Commonly Asked c Programming interview Questions | set 2
C/C++ ProgramsCoding exercise Platform

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