C Foundation

What is C? C Compiler Installation C Extensions C Compiler C Interpreter C Program Structure

C Basics

C Keywords C Data Types C Identifiers C Variables C Constant C Escape Sequences C Constant and Volatile C Typecast

Operators

What is Operator C Comma Operator C Arithmetic Operators C Relational Operators C Logical Operators C Bitwise Operators C Conditional Operators C : : Operator C Operator Priority

Basic IO's

Basic IO's C Formatted Functions C Unformatted Functions C Common Functions

Control Statements

What is Control Statement C if Statement C if else Statement C Nested if Statement C Else if Statement C Break Statement C Continue Statement C Switch Statement C Goto Statement

Looping

What is Control Loop C for Loop C Nested for Loop C while Loop C Nested while Loop C do while Loop C Nested do while loop

Functions

What is Function C User Defined Functions C Recursion C Passing Parameters

Scope

Scope C Local Scope C Global Scope

Storage Classes

What is Storage Class C Auto C Extern C Static C Register

Array

What is Array C One Dimensional Array C Two Dimensional Array C Multi Dimensional Array C Arrays Of Strings

String

What is String C String Functions

Pointer

What is Pointer C Pointers Arithmetic C Pointer to Pointer C Pointers and Arrays C Pointers and Strings C Pointer to Functions Void Pointers Null Pointers C Null and Void Pointer

Structure

What is Structure C Struct within Struct C Array within Structure C Pointer to Structure C Structure and Function C Enum C Bitfield Structure C Type def

Union

What is Union

Files

What is File C read a file C write a file C File Handling C Error Handling C Low Level Disk I/O C Other file functions

Memory Allocation

What is Memory Allocation C Malloc() C Calloc() C Free() C Realloc() C Coreleft()

C Reference

All ASCII Code Basic C Questions

C Interview

C Interview Sets All Star Patterns All Number Patterns All Alphabet Patterns All Series Patterns
The ones who are crazy enough to think they can change the world are the ones who do.
- Steve Jobs
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C String Functions Interview Questions

46. What is string functions in C?

C programming provides several inbuilt functions for string to make our programming crystal clear because several lines of coding will be reduced to a word by using standard inbuilt string functions. The definitions for all inbuilt functions in c are written in #include<string.h> library. Refer For More C String Functions

47. Define strcat?

strcat() is one of the inbuilt string function in c programming which is used to combine two strings to form a single one. The full form of strcat() is string concatenation. Refer For More C Strcat

48. Define strncat?

strncat() is one of the inbuilt string function in c programming which is used to combine two strings to form a single one up to a specified length n. Refer For More C Strncat

49. Define strchr?

strchr() is one of the inbuilt string function in c programming which is used to find the first occurrence of a character chr in a string str. Refer For More C Strchr

50. Define strrchr?

strrchr() is one of the inbuilt string function in c programming which is used to find the last occurrence of a character chr in a string str. Simply strrchr() is opposite to strchr(). Refer For More C Strrchr

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