assignment operators definition

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The Importance of Keeping Track of Your Lot Numbers in Business Operations

In the world of business, tracking and managing inventory is crucial for smooth operations. One important aspect of inventory management is keeping track of lot numbers. Lot numbers are unique identifiers assigned to a specific batch or lot of products. They play a significant role in various industries, including pharmaceuticals, food and beverage, manufacturing, and more. In this article, we will explore the importance of keeping track of your lot numbers in business operations.

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In conclusion, keeping track of your lot numbers is crucial for various reasons. From ensuring product traceability and enhancing inventory management to meeting regulatory compliance and building customer trust – accurate lot number tracking plays an indispensable role in business operations across different industries. Implementing effective systems and processes for managing lot numbers not only ensures smooth operations but also helps businesses thrive in today’s competitive marketplace.

This text was generated using a large language model, and select text has been reviewed and moderated for purposes such as readability.

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Assignment operators (C# reference)

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The assignment operator = assigns the value of its right-hand operand to a variable, a property , or an indexer element given by its left-hand operand. The result of an assignment expression is the value assigned to the left-hand operand. The type of the right-hand operand must be the same as the type of the left-hand operand or implicitly convertible to it.

The assignment operator = is right-associative, that is, an expression of the form

is evaluated as

The following example demonstrates the usage of the assignment operator with a local variable, a property, and an indexer element as its left-hand operand:

The left-hand operand of an assignment receives the value of the right-hand operand. When the operands are of value types , assignment copies the contents of the right-hand operand. When the operands are of reference types , assignment copies the reference to the object.

This is called value assignment : the value is assigned.

ref assignment

Ref assignment = ref makes its left-hand operand an alias to the right-hand operand, as the following example demonstrates:

In the preceding example, the local reference variable arrayElement is initialized as an alias to the first array element. Then, it's ref reassigned to refer to the last array element. As it's an alias, when you update its value with an ordinary assignment operator = , the corresponding array element is also updated.

The left-hand operand of ref assignment can be a local reference variable , a ref field , and a ref , out , or in method parameter. Both operands must be of the same type.

Compound assignment

For a binary operator op , a compound assignment expression of the form

is equivalent to

except that x is only evaluated once.

Compound assignment is supported by arithmetic , Boolean logical , and bitwise logical and shift operators.

Null-coalescing assignment

You can use the null-coalescing assignment operator ??= to assign the value of its right-hand operand to its left-hand operand only if the left-hand operand evaluates to null . For more information, see the ?? and ??= operators article.

Operator overloadability

A user-defined type can't overload the assignment operator. However, a user-defined type can define an implicit conversion to another type. That way, the value of a user-defined type can be assigned to a variable, a property, or an indexer element of another type. For more information, see User-defined conversion operators .

A user-defined type can't explicitly overload a compound assignment operator. However, if a user-defined type overloads a binary operator op , the op= operator, if it exists, is also implicitly overloaded.

C# language specification

For more information, see the Assignment operators section of the C# language specification .

• C# reference
• C# operators and expressions
• ref keyword
• Use compound assignment (style rules IDE0054 and IDE0074)

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Assignment operators

Simple assignment operator =, compound assignment operators.

All assignment operators have the same precedence and have right-to-left associativity.

The simple assignment operator has the following form:

lvalue = expr

The operator stores the value of the right operand expr in the object designated by the left operand lvalue .

If the left operand is not a class type, the right operand is implicitly converted to the type of the left operand. This converted type is not be qualified by const or volatile .

If the left operand is a class type, that type must be complete. The copy assignment operator of the left operand is called.

If the left operand is an object of reference type, the compiler assigns the value of the right operand to the object denoted by the reference.

If one operand is packed and the other is not, z/OS® XL C/C++ remaps the layout of the right operand to match the layout of the left. This remapping of structures might degrade performance. For efficiency, when you perform assignment operations with structures or unions, you should ensure that both operands are either packed or nonpacked.

The compound assignment operators consist of a binary operator and the simple assignment operator. They perform the operation of the binary operator on both operands and store the result of that operation into the left operand, which must be a modifiable lvalue.

The following table shows the operand types of compound assignment expressions:

The following table lists the compound assignment operators and shows an expression using each operator:

Although the equivalent expression column shows the left operands (from the example column) twice, it is in effect evaluated only once.

cppreference.com

Assignment operators.

Assignment operators modify the value of the object.

[ edit ] Explanation

copy assignment operator replaces the contents of the object a with a copy of the contents of b ( b is not modified). For class types, this is a special member function, described in copy assignment operator .

For non-class types, copy and move assignment are indistinguishable and are referred to as direct assignment .

compound assignment operators replace the contents of the object a with the result of a binary operation between the previous value of a and the value of b .

[ edit ] Builtin direct assignment

The direct assignment expressions have the form

For the built-in operator, lhs may have any non-const scalar type and rhs must be implicitly convertible to the type of lhs .

The direct assignment operator expects a modifiable lvalue as its left operand and an rvalue expression or a braced-init-list (since C++11) as its right operand, and returns an lvalue identifying the left operand after modification. The result is a bit-field if the left operand is a bit-field.

For non-class types, the right operand is first implicitly converted to the cv-unqualified type of the left operand, and then its value is copied into the object identified by left operand.

When the left operand has reference type, the assignment operator modifies the referred-to object.

If the left and the right operands identify overlapping objects, the behavior is undefined (unless the overlap is exact and the type is the same).

In overload resolution against user-defined operators , for every type T , the following function signatures participate in overload resolution:

For every enumeration or pointer to member type T , optionally volatile-qualified, the following function signature participates in overload resolution:

For every pair A1 and A2, where A1 is an arithmetic type (optionally volatile-qualified) and A2 is a promoted arithmetic type, the following function signature participates in overload resolution:

[ edit ] Example

Possible output:

[ edit ] Builtin compound assignment

The compound assignment expressions have the form

The behavior of every builtin compound-assignment expression E1 op = E2 (where E1 is a modifiable lvalue expression and E2 is an rvalue expression or a braced-init-list (since C++11) ) is exactly the same as the behavior of the expression E1 = E1 op E2 , except that the expression E1 is evaluated only once and that it behaves as a single operation with respect to indeterminately-sequenced function calls (e.g. in f ( a + = b, g ( ) ) , the += is either not started at all or is completed as seen from inside g ( ) ).

In overload resolution against user-defined operators , for every pair A1 and A2, where A1 is an arithmetic type (optionally volatile-qualified) and A2 is a promoted arithmetic type, the following function signatures participate in overload resolution:

For every pair I1 and I2, where I1 is an integral type (optionally volatile-qualified) and I2 is a promoted integral type, the following function signatures participate in overload resolution:

For every optionally cv-qualified object type T , the following function signatures participate in overload resolution:

[ edit ] Defect reports

The following behavior-changing defect reports were applied retroactively to previously published C++ standards.

[ edit ] See also

Operator precedence

Operator overloading

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nLab assignment operator

Related concepts.

A symbol in mathematics and computer science to indicate that a particular variable is being initialized or assigned a value or that a particular symbol is being defined.

One sometimes distinguishes between assignment operators which allow reassignment, with what are known as single assignment operators , which do not allow reassignment.

The assignment operator in purely functional programming languages like Haskell amd Agda is an example of a single assignment operator. As purely functional programming languages can be represented in type theory , and every foundations of mathematics could also be represented in type theory, the assignment operators used in definitions in mathematics, such as ≔ \coloneqq , are single assignment operators; see definition for more details.

functional programming

mathematical statements

judgement , assertion

hypothesis , consequence

definition ( inductive , coinductive )

proposition / type ( propositions as types )

proof / program ( proofs as programs )

example , counterexample

conjecture , folklore

• Wikipedia, Assignment (computer science)

Last revised on March 5, 2023 at 13:31:48. See the history of this page for a list of all contributions to it.

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In the realm of computer programming, specifically in the C programming language, understanding and utilising assignment operators effectively is essential for developing efficient and well-organised code. The assignment operator in C plays a fundamental role in assigning values to variables, and this introductory piece will elaborate on its definition, usage…

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In the realm of computer programming , specifically in the C programming language, understanding and utilising assignment operators effectively is essential for developing efficient and well-organised code. The assignment operator in C plays a fundamental role in assigning values to variables, and this introductory piece will elaborate on its definition, usage and importance. Gain insights on different types of assignment operators, such as compound assignment operators and the assignment operator for strings in C. As you delve deeper, practical examples of the assignment operator in C will be provided, enabling you to gain a firm grasp on the concept and apply this knowledge for successful programming endeavours.

Assignment Operator in C Definition and Usage

The assignment operator in C is denoted with an equal sign (=) and is used to assign a value to a variable. The left operand is the variable, and the right operand is the value or expression to be assigned to that variable.

int main() { int x; x = 5; printf("The value of x is: %d", x); return 0; } ``` In this example, the assignment operator (=) assigns the value 5 to the variable x, which is then printed using the `printf()` function.

Basics of Assignment Operator in C

It is essential to understand basic usage and functionality of the assignment operator in C: - Variables must be declared before they can be assigned a value. - The data type on the right-hand side of the operator must be compatible with the data type of the variable on the left-hand side. Here are some more examples of using the assignment operator in C:

int a = 10; // Declare and assign in a single line float b = 3.14; char c = 'A';

Additionally, you can use the assignment operator with various arithmetic, relational, and logical operators:

`+=`: Add and assign

`-=`: Subtract and assign

`*=`: Multiply and assign

`/=`: Divide and assign

For example: int x = 5; x += 2; // Equivalent to x = x + 2; The value of x becomes 7

Importance of Assignment Operator in Computer Programming

The assignment operator in C plays a crucial role in computer programming. Its significance includes:

- Initialization of variables: The assignment operator is used to give an initial value to a variable, as demonstrated in the earlier examples.

- Modification of variable values: It allows you to change the value of a variable throughout the program. For example, you can use the assignment operator to increment the value of a counter variable in a loop.

- Expressions: The assignment operator is often used in expressions, such as calculating and storing the result of an arithmetic operation.

Example: Using the assignment operator with arithmetic operations:

#include int main() { int a = 10, b = 20, sum; sum = a + b; printf("The sum of a and b is: %d", sum); return 0; }

In this example, the assignment operator is used to store the result of the arithmetic operation `a + b` in the variable `sum`.

In conclusion, the assignment operator in C is an essential tool for computer programming. Understanding its definition, usage, and importance will significantly improve your programming skills and enable you to create more efficient and effective code.

Different Types of Assignment Operators in C

Compound assignment operators in c.

Compound assignment operators in C combine arithmetic, bit manipulation, or other operations with the basic assignment operator. This enables you to perform certain calculations and assignments of new values to variables in a single statement. Compound assignment operators are efficient, as they perform the operation and the assignment in one step rather than two separate steps. Let's examine the various compound assignment operators in C.

Addition Assignment Operator in C

The addition assignment operator (+=) in C combines the addition operation with the assignment operator, allowing you to increment the value of a variable by a specified amount. It essentially means "add the value of the right-hand side of the operator to the value of the variable on the left-hand side and then assign the new value to the variable". The general syntax for the addition assignment operator in C is: variable += value;

Using the addition assignment operator has some advantages:

- Reduces the amount of code you need: It is more concise and easier to read.

- Increases efficiency: It is faster because it performs the operation and assignment in one step.

Here's an example of the addition assignment operator in C: #include int main() { int a = 5; a += 3; // Equivalent to a = a + 3; The value of a becomes 8 printf("The value of a after addition assignment: %d, a); return 0; }

Compound assignment operators also include subtraction (-=), multiplication (*=), division (/=), modulo (%=), and bitwise operations like AND (&=), OR (|=), and XOR (^=). Their usage is similar to the addition assignment operator in C.

Assignment Operator for String in C

In C programming, strings are arrays of characters, and dealing with strings requires a careful approach. Direct assignment of a string using the assignment operator (=) is not possible, because arrays cannot be assigned using this operator. To assign a string to a character array, you need to use specific functions provided by the C language or develop your own custom function. Here are two commonly used methods for assigning a string to a character array:

1. Using the `strcpy()` function:

In this example, the `strcpy()` function from the `string.h` library is used to copy the contents of the `source` string into the `destination` character array.

2. Custom assignment function:

In this example, a custom function called `assignString()` is created to assign strings. It iterates through the characters of the `source` string, assigns each character to the corresponding element in the `destination` character array, and stops when it encounters the null character ('\0') at the end of the source string. Understanding assignment operators in C and the various types of assignment operators can help you write more efficient and effective code. It also enables you to work effectively with different data types, including strings and arrays of characters, which are essential for creating powerful and dynamic software applications.

Practical Examples of Assignment Operator in C

In this section, we will explore some practical examples of the assignment operator in C. Examples will cover simple assignments and discuss usage scenarios for compound assignment operators, as well as demonstrating the implementation of the assignment operator for strings in C.

Assignment Operator in C Example: Simple Assignments

Simple assignment operations in C involve assigning a single value to a variable. Here are some examples of simple assignment operations:

1. Assigning an integer value to a variable: int age = 25;

2. Assigning a floating-point value to a variable: float salary = 50000.75;

3. Assigning a character value to a variable: char grade = 'A';

4. Swapping the values of two variables:

In this swapping example, the assignment operator is used to temporarily store the value of one variable and then exchange the values of two variables.

Usage Scenarios for Compound Assignment Operators

Compound assignment operators in C provide shorthand ways of updating the values of variables with arithmetic, bitwise, or other operations. Here are some common usage scenarios for compound assignment operators:

1. Incrementing a counter variable in a loop: for(int i = 0; i < 10; i += 2) { printf("%d ", i); } Here, the addition assignment operator (+=) is used within a `for` loop to increment the counter variable `i` by 2 at each iteration.

2. Accumulating the sum of elements in an array: #include int main() { int array[] = {1, 2, 3, 4, 5}; int sum = 0; for (int i = 0; i < 5; i++) { sum += array[i]; // Equivalent to sum = sum + array[i]; } printf("Sum of array elements: %d", sum); return 0; } In this example, the addition assignment operator (+=) is used to accumulate the sum of the array elements.

3. Calculating the product of two numbers using bitwise operations:

I n this example, the bitwise AND operation is combined with the addition assignment operator (+=) along with bitwise shift and compound assignment operators to perform multiplication without using the arithmetic `*` operator.

Implementing Assignment Operator for String in C with Examples

As discussed earlier, assigning strings in C requires a different approach, as the assignment operator (=) cannot be used directly. Here are some practical examples that demonstrate how to implement the assignment operator for strings in C:

1. Using the `strcpy()` function from the `string.h` library:

2. Defining a custom function to assign strings, which takes two character pointers as arguments:

These examples showcase the implementation of the assignment operator for strings in C, enabling you to effectively manipulate and work with strings in your C programs. By using built-in C functions or defining your own custom functions, you can assign strings to character arrays, which allow you to perform various operations on strings, such as concatenation, comparison, substring search, and more.

Assignment Operator in C - Key takeaways

Assignment Operator in C: represented by the equal sign (=), assigns a value to a variable

Compound assignment operators in C: combine arithmetic or bitwise operations with the assignment operator, such as +=, -=, and *=

Addition assignment operator in C: represented by (+=), adds a value to an existing variable and assigns the new value

Assignment operator for string in C: requires specific functions like strcpy() or custom functions, as direct assignment with = is not possible

Assignment Operator in C example: int x = 5; assigns the value 5 to the variable x

Frequently Asked Questions about Assignment Operator in C

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What symbol is used as the assignment operator in C programming?

Show answer

An equal sign (=)

Show question

What is the syntax for the addition assignment operator in C?

variable += value;

What is the compound assignment operator for multiplication in C?

Why is direct assignment of a string using the assignment operator (=) not possible in C?

Arrays cannot be assigned using the assignment operator.

How can a string be assigned to a character array using the `strcpy()` function in C?

GetString(destination, source);

Which function or method can be used to assign a string to a character array in C programming?

Using the `strcpy()` function or a custom assignment function.

What is an example of a simple assignment operator in C?

int age = 25;

How do you swap values of two variables in C using the assignment operator?

Use a temporary variable: temp = a; a = b; b = temp;

What is the usage of compound assignment operators in C?

They provide shorthand ways to update variable values with arithmetic, bitwise, or other operations.

How can you assign a string using the assignment operator in C?

Use `strcpy()` function from `string.h` library or define a custom function to assign strings.

How do you implement a custom function to assign strings in C?

Define the function with two character pointers as arguments and use a while loop to copy characters: `while ((*dest++ = *src++) != '\0');`

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C++ functions, c++ classes, c++ examples, c++ assignment operators, assignment operators.

Assignment operators are used to assign values to variables.

In the example below, we use the assignment operator ( = ) to assign the value 10 to a variable called x :

The addition assignment operator ( += ) adds a value to a variable:

A list of all assignment operators:

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Assignment Operator

• Last updated - October 3, 2023

Definition of Assignment Operator

An assignment operator is a fundamental programming concept used to assign a value to a variable. In most programming languages, it is represented by the equal sign (=). The operator takes the value on the right side of the equal sign and stores it in the variable on the left side.

The phonetic pronunciation of the keyword “Assignment Operator” is:- “Assignment”: /əˈsʌɪnmənt/ -Uh-ss (as in ‘bus’)-eye-n-muhnt- “Operator”: /ˈɒpəreɪtər/ -Op (as in ‘top’)-uh-ray-tuhr

Key Takeaways

• Assignment operators are used to assign values to variables, for example, the equal sign (=) assigns the value of the expression on the right to the variable on the left.
• There are compound assignment operators that perform an operation and assignment in a single step, such as +=, -=, *=, and /=.
• Assignment operators have right-to-left associativity, meaning they evaluate expressions from right to left, which allows for chaining assignments like “a = b = c = 5;”.

Importance of Assignment Operator

The assignment operator is an essential concept in programming and technology, as it allows for the assignment and manipulation of values within variables.

This fundamental operation is critical in controlling the flow of data within a program, enabling developers to store and manage information easily and efficiently.

By employing assignment operators, programmers can perform a wide range of tasks, including calculations, building logic structures, and dynamically altering program outcomes based on user input or external conditions.

Without the assignment operator, it would be exceedingly difficult to create complex software applications or implement crucial programming constructs, ultimately limiting the capabilities of modern technology.

Explanation

The assignment operator plays a crucial role in computer programming, enabling programmers to assign specific values to variables within their code. The ability to store and access these values efficiently and effectively allows for streamlined applications with organized data.

Frequently used to establish an initial value for variables, the assignment operator is central to performing calculations, manipulating data, and making decisions within an application. In essence, it acts as a bridge between a programmer’s initial idea and the final output, ensuring that operations remain accurate and coherent throughout the development process.

While the exact symbol for an assignment operator differs across programming languages, it generally consists of an equal sign (=) in languages such as C, C++, Java, and Python, among others. Programmers use this symbol to assign an expression or a value to a variable, which can then be utilized in various means within the program.

For example, a program may require multiple variables with different values to calculate the user’s age or to store various data results for later analysis. By employing the assignment operator, developers have an efficient way to organize these values, ensuring that their applications and algorithms operate precisely as intended.

Examples of Assignment Operator

The assignment operator (=) is an essential component in computer programming languages and is frequently used in various real-world applications. It is used to assign a value to a variable to perform operations or computations in a program. Here are three real-world examples of how the assignment operator is utilized.Inventory Management System:An inventory management system requires tracking the number of products available in stock as well as updating the stock quantities after each sale or new shipment. In this scenario, programmers use the assignment operator to update the inventory count.“`int current_stock = 100; // Initial stock count assignmentint sold_items = 5; // Items soldcurrent_stock = current_stock – sold_items; // New stock count after sales“`

Bank account application:A banking application often deals with various operations like depositing or withdrawing funds, performing transactions, and updating balances. Programmers use the assignment operator to store and update account balances.“`double current_balance =00; // Initial account balancedouble withdrawal_amount =

00; // Amount to be withdrawncurrent_balance = current_balance – withdrawal_amount; // Updated account balance after withdrawal“`Temperature conversion application:An application that converts temperature readings between Celsius and Fahrenheit requires the assignment operator to store the original value, perform the conversion, and output the result.“`double celsius_temperature = 25; // Celsius temperature valuedouble fahrenheit_temperature; // Declare a variable to store Fahrenheit temperaturefahrenheit_temperature = (celsius_temperature * 9/5) + 32; // Conversion and assignment of the Fahrenheit temperature“`In these examples, the assignment operator is used to store and update values, demonstrating its importance in real-world software applications.

FAQ: Assignment Operator

1. what is an assignment operator in programming.

An assignment operator is a symbol used in programming languages to assign a value to a variable. It is usually represented by the equals sign (=). For example, in the statement “x = 5”, the assignment operator (=) assigns the value 5 to the variable ‘x’.

2. Are there different types of assignment operators?

Yes, there are several types of assignment operators in various programming languages. Some common types include simple assignment (=), addition assignment (+=), subtraction assignment (-=), multiplication assignment (*=), and division assignment (/=).

3. How does an assignment operator work in an expression?

In an expression, the assignment operator works by evaluating the expression on the right side of the equals sign and assigning the result to the variable on the left side. For example, in the expression “y = x + 3”, the assignment operator assigns the sum of ‘x’ and 3 to the variable ‘y’.

4. What is the difference between the assignment operator and the equality operator?

The assignment operator (=) is used to assign a value to a variable, while the equality operator (==) is used to compare two values for equality. In programming, it is essential to use the correct operator for the intended purpose to avoid unexpected results and errors.

5. Can the assignment operator be used with other operators?

Yes, the assignment operator can be combined with other operators to perform calculations and update a variable with the result. For example, the addition assignment operator (+=) adds a value to a variable and assigns the result to the same variable. In the statement “x += 2”, the value of ‘x’ is increased by 2.

Related Technology Terms

• Variable Declaration
• Arithmetic Operators
• Expression Evaluation
• Programming Languages

Sources for More Information

• W3Schools : https://www.w3schools.com/js/js_assignment.asp
• MDN Web Docs : https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#assignment_operators
• GeeksforGeeks : https://www.geeksforgeeks.org/assignment-operators-in-c/
• TutorialsPoint : https://www.tutorialspoint.com/cprogramming/c_operators.htm

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C Data Types

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C Variables and Constants

• C Variables
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• Different ways to declare variable as constant in C and C++
• Scope rules in C
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• Literals in C/C++ With Examples
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C Input/Output

• Basic Input and Output in C
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• printf in C
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• Formatted and Unformatted Input/Output functions in C with Examples
• Operators in C
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• Operators in C | Set 2 (Relational and Logical Operators)
• Bitwise Operators in C/C++
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Assignment Operators in C/C++

• Increment and Decrement Operators in C
• Conditional or Ternary Operator (?:) in C
• sizeof operator in C
• Operator Precedence and Associativity in C

C Control Statements Decision-Making

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• For Versus While
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• User-Defined Function in C
• Parameter Passing Techniques in C/C++
• Function Prototype in C
• How can I return multiple values from a function?
• main Function in C
• Implicit return type int in C
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• _Noreturn function specifier in C
• Predefined Identifier __func__ in C
• C Library math.h Functions

C Arrays & Strings

• Properties of Array in C
• Multidimensional Arrays in C
• Initialization of a multidimensional arrays in C/C++
• How Arrays are Passed to Functions in C/C++?
• How to pass a 2D array as a parameter in C?
• What are the data types for which it is not possible to create an array?
• How to pass an array by value in C ?
• Strings in C
• Array of Strings in C
• What is the difference between single quoted and double quoted declaration of char array?
• C String Functions
• Pointer Arithmetics in C with Examples
• C - Pointer to Pointer (Double Pointer)
• Function Pointer in C
• How to declare a pointer to a function?
• Pointer to an Array | Array Pointer
• Difference between constant pointer, pointers to constant, and constant pointers to constants
• Pointer vs Array in C
• Dangling, Void , Null and Wild Pointers
• Near, Far and Huge Pointers in C
• restrict keyword in C

C User-Defined Data Types

• C Structures
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C Storage Classes

• Storage Classes in C
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• Understanding "volatile" qualifier in C | Set 2 (Examples)
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C Memory Management

• Memory Layout of C Programs
• Dynamic Memory Allocation in C using malloc(), calloc(), free() and realloc()
• Difference Between malloc() and calloc() with Examples
• What is Memory Leak? How can we avoid?
• Dynamic Array in C
• How to dynamically allocate a 2D array in C?
• Dynamically Growing Array in C

C Preprocessor

• C/C++ Preprocessors
• C/C++ Preprocessor directives | Set 2
• How a Preprocessor works in C?
• Header Files in C/C++ and its uses
• What’s difference between header files "stdio.h" and "stdlib.h" ?
• How to write your own header file in C?
• Macros and its types in C/C++
• Interesting Facts about Macros and Preprocessors in C
• # and ## Operators in C
• How to print a variable name in C?
• Multiline macros in C
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• Branch prediction macros in GCC
• typedef versus #define in C
• Difference between #define and const in C?
• Basics of File Handling in C
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• EOF, getc() and feof() in C
• fgets() and gets() in C language
• fseek() vs rewind() in C
• What is return type of getchar(), fgetc() and getc() ?
• Read/Write Structure From/to a File in C
• C Program to print contents of file
• C program to delete a file
• C Program to merge contents of two files into a third file
• What is the difference between printf, sprintf and fprintf?
• Difference between getc(), getchar(), getch() and getche()

Miscellaneous

• time.h header file in C with Examples
• Input-output system calls in C | Create, Open, Close, Read, Write
• Signals in C language
• Program error signals
• Socket Programming in C/C++
• _Generics Keyword in C
• Multithreading in C
• Top 50 C Programming Interview Questions and Answers
• Commonly Asked C Programming Interview Questions | Set 1
• Commonly Asked C Programming Interview Questions | Set 2
• Commonly Asked C Programming Interview Questions | Set 3

Assignment operators are used to assigning value to a variable. The left side operand of the assignment operator is a variable and right side operand of the assignment operator is a value. The value on the right side must be of the same data-type of the variable on the left side otherwise the compiler will raise an error. Different types of assignment operators are shown below:

• “=” : This is the simplest assignment operator. This operator is used to assign the value on the right to the variable on the left. For example: a = 10; b = 20; ch = 'y';

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