C is a procedural programming language. It was initially emerged by Dennis Ritchie together a mechanism programming language to create operating system. The main features of C language incorporate low-level accessibility to memory, simple collection of keywords, and also clean style, these features make C language perfect for mechanism programming like operating device or compiler development.

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Recent write-ups on C !C output & Multiple an option QuestionsBasics, variable Declaration, definition and Scope, Data Types, warehouse Classes, Input/Output, Operators, Preprocessor, selection & Strings, control Statements, Functions, Pointers, Enum, Struct and Union, storage Management, paper Handling, Puzzles, Misc, C Language Interview Questions, Multiple an option Questions


C Language IntroductionC Programming Language Standardint (1 sign little bit + 31 data bits) keyword in CIs it fine to compose “void main()” or “main()” in C/C++?Difference in between “int main()” and also “int main(void)” in C/C++?Macros and Preprocessors in CCompiling a C program:- Behind the ScenesBenefits of C over various other languagesProgram error signalsEscape assignment in CLine Slicing in CC/ C++ Tokens
Variables and Keywords in CHow room variables scoped in C – static or Dynamic?Scope rule in CHow Linkers settle Multiply Defined an international Symbols?Quiz on change Declaration and also ScopeComplicated declarations in CRedeclaration of an international variable in CInternal and also External LinkageDeclare variable as constantWhy variables doesn’t start with numbersRedeclaration of global variablesInitialization of global and revolution variables
Storage classes in CStatic Variables in CUnderstanding “extern” keyword in CWhat are the default values of static variables in C?Understanding “volatile” qualifier in CConst Qualifier in CInitialization of static variables in CUnderstanding “register” keyword in CQuiz on warehouse Classes in CUnderstanding volatile qualifier in C- collection 1
Returned values of printf() and scanf()What is return type of getchar(), fgetc() and also getc() ?Scansets in Cputs() vs printf() for printing a stringWhat is usage of %n in printf() ?How to print % making use of printf()?Quiz ~ above Input output in CDifference in between printf, sprintf and also fprintf?Difference in between getc(), getchar(), getch() and getche()Difference between %d and also %i style specifierUse the fflush(stdin) in CClearing input buffer in C/C++scanf() and also fscanf() in Cgetchar_unlocked() in CProblem with scanf()Differentiate printable and control characterrand() and also srand() in C/C++
Introduction to operator in C and also Arithmetic OperatorsRelational and Logical operators in CBitwise operator in COperator Precedence and also Associativity in CEvaluation bespeak of operandsComma in C and C++sizeof operator in COperands because that sizeof operatorA comma operator questionResult that comma operator together l-value in C and C++Order of operands because that logical operatorsIncrement (Decrement) operators call for L-value ExpressionPrecedence that postfix ++ and also prefix ++ in C/C++Modulus on an adverse NumbersC/C++ Ternary Operator – Some interesting ObservationsPre-increment (or pre-decrement) in C++Difference between ++*p, *p++ and also *++pResults of compare operations in C and C++To uncover sum of 2 numbers without using any kind of operatorSequence clues in CExecution that printf through ++ operatorsAnything composed in sizeof() is never executedDifference in between strlen() and also sizeof()Stringizing and Token-pasting operator
Write a C macro PRINT(x) i m sorry prints xVariable length disagreements for MacrosMultiline macros in CCRASH() macro – interpretationThe OFFSETOF() macro,Branch forecast macros in GCCDiffference between #define and also const in C?A C Programming Language PuzzleWhat’s difference in between header records “stdio.h” and “stdlib.h” ?How to publish a variable name in C?Constants in CHow a Preprocessor worksPreprocessor Directives : Behind the scene-1Preprocessor Directives : Behind the scene-2isgraph() library functionwrite your very own header file in Cdifftime() library functiontmpnam() library function_Generic keyword in Cmath.h library functionstypedef versus #define in Cstrftime() library functionexec family of functions
Introduction to Arrays in C LanguageStrings in C LanguageProperties of variety in C LanguageDo not use sizeof for range parametersInitialization that variables sized arrays in CAre range members deeply copied?What is the difference between single quoted and twin quoted declaration of char array?Initialization that a multidimensional arrays in C/C++Write one line attributes for strcat() and also strcmp()What’s difference in between char s<> and also char *s in Cgets() is risky come use!C role to Swap strings,Storage because that Strings in CDifference in between array and pointerHow to dynamically clues a 2D selection in C?How to happen a 2D range as a parameter in C?How to write long strings in Multi-lines C/C++?What room the data species for which that is not feasible to produce an array?Variable size Arrays in C and C++Short hand selection notationAccessing variety out of boundsstrcpy() in C/C++strcmp() in C/C++strdup() and strdndup() in C/C++Pass an array by valueReverse a cable in C/C++strpbrk() in Cstrcoll() in C/C++ispunct() in Cstrspn() in Cisalpha() and isdigit() in C/C++
What must be data type of situation labels of switch statement in C?For matches WhileA nested loop puzzleswitch explain in CDifference between while(1) and while(0)goto statementContinue StatementBreak StatementUsing variety in move case
Functions in CImportance of duty prototype in CFunctions that are executed before and after main() in Creturn declare vs exit() in main()How to counting Variable number of disagreements in C?,What is review order of role parameters in C?Does C support duty overloading?How deserve to we return multiple worths from a function?What is the purpose of a function prototype?Static attributes in Cexit(), abort() and assert()Implicit return kind int in CWhat happens once a function is called prior to its declaration in C?_Noreturn role specifier in Cexit() vs _Exit()__func__ id in CCallback function in CNested functions in CParameter happen Techniquespow() role in Ctolower() role in Ctime() duty in C
Introduction to pointers in C and C++Double guideline (Pointer to Pointer) in CWhy C treats array parameters together pointers?Output of the program | Dereference, Reference, Dereference, ReferenceDangling, Void , Null and Wild PointersAn Uncommon depiction of variety elementsHow to explain a pointer to a function?Pointer vs range in Cvoid reminder in CNULL guideline in C !Function reminder in Cnear, much and huge pointersGeneric attached List in Crestrict keyword in Cconst char *p, char * const p and also const char * const pPointer come an Array
Enum in CStructures in CUnion in CStruct HackStructure Member Alignment, Padding and Data PackingOperations top top struct variables in CBit fields in CStructure Sorting (By multiple Rules) in C++Flexible variety members in structureDifference in between Structure and also UnionDifference between C structures and C++ structuresAnonymous Union and also Structure in CCompound Literals in C
Memory Layout that C Programs,How come deallocate memory without utilizing free() in C?calloc() versus malloc()How does free() recognize the dimension of memory to be deallocated?Use the realloc()What is storage Leak? How have the right to we avoid?
fseek() vs rewind() in CEOF, getc() and also feof() in Cfopen() because that an existing paper in compose modeRead/Write framework to a filefgets() and also gets() in CBasics of paper Handlingfsetpos() in Crename duty in C/C++tmpfile() function in Cfgetc() and fputc() in Cfseek() in C/C++ftell() in Clseek() in C/C++remove role in C/C++Merge materials of two documents into a 3rd filePrint materials of record in C
C routine to publish numbers indigenous 1 to N without utilizing semicolon?How to uncover sum of two numbers without using any operatorHow will you show memory representation of C variables?Condition To print “HelloWord”Change/add just one character and print ‘*’ exactly 20 timesHow have the right to we amount the number of a offered number in single statement?What is the best means in C to convert a number come a string?Calculate Logn in one linePrint “Even” or “Odd” without utilizing Conditional statementHow will certainly you print numbers indigenous 1 to 100 without making use of loop?How deserve to we amount the digits of a given number in single statement?How will you print “Geeks for Geeks” without utilizing a semicolonWrite a one heat C role to round floating suggest numbersHow will certainly implement Your very own sizeofHow come count set bits in a floating allude number in C?How to change the calculation of printf() in main() ?How to uncover length the a string there is no string.h and loop in C?Implement your own itoa()Write a C regimen that does no terminate when Ctrl+C is pressedHow to measure time take away by a role in C?Print a long int in C using putchar() onlyConvert a floating allude number to string in CHow to write a running C password without main()?Write your very own memcpy()C program to print characters without using style specifiersC regimen to publish a string without any type of quote (singe or double) in the programExecute both if and also else statements simultaneouslyPrint “Hello World” there is no using any kind of header file
Quine – A self-reproducing programComplicated declarations in CUse that bool in CSequence clues in C | collection 1Optimization methods | set 2 (swapping),ASCII NUL, ASCII 0 (’0?) and also Numeric literal meaning 0Little and big Endian Mystery,Comparator role of qsort() in CProgram come validate an IP addressMultithreading in CAssertions in C/C++fork() in CInteresting facts in C ProgrammingPrecision that floating allude numbers in C++ (floor(), ceil(), trunc(), round() and setprecision())setjump() and also longjump() in Cnextafter() and also nexttoward() in C/C++pthread_cancel() in Cpthread_equal() in Cpthread_self() in CLocal brand in Clvalue and rvalue in CGet and set the stack size of thread attributeDifference between fork() and exec()Errors in C/C++Why is C taken into consideration faster than various other languagesIncompatibilities in between C and also C++Convert C/C++ code to assembly languageError dealing with in CExecuting main() in C/C++ : Behind the sceneHygienic Macros in CCommand line disagreements in C/C++scanf(), fscanf(), sscanf(), scanf_s(), fscanf_s(), sscanf_s()Some exciting Facts in C ProgrammingDatabase Connectivity using C/C++Function Interposition in CMacros vs FunctionsWrite your very own memcpy() and also memmove()
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