Control statements in C

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What is control statements in C?

Control statements are used in C or other programming language to regulate the flow of program execution, i.e., whether or not a set of statements will be executed based on certain conditions or how many times a certain block of cedes is to be executed, again based on condition.

For Example:

/*Control statements in C*/
int x = 2;
int y = 3;

/*If condition is true, this code block will be executed*/
if((x + y) % 5 == 0){
 // Do whatever
}

/*if condition is false, this code block will be executed*/
else{
 //Do something else 
}
-------------------OR----------------------------
int i;
for(i = 0; i < 10; i++){
 /* Do anything that you want. This code block will be 
  * executed until i becomes > or = to 10 */
}

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There are three type of control statements in C

Decision making statement:

It is used to decide whether a certain statement or block of statements will be executed or not i.e. If a certain condition is true then a block of statement is executed otherwise not.

Types of decision making statement:

1. Simple if statement
2. if...else & ladder if...else statement
3. nested if...else statement
4. Switch...case statement

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Iterative statements:

Iterative statements create loops in the program. It is the process where a set of instructions or statements is executed repeatedly for a specified numbers of time or until a condition is satisfied.

Type of iteration statement in C:

1. do...while loop
2. While loop
3. For loop
4. Nested for loop

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Jumping statement in C:

Jump statement are used to transfer control from one point to another point in the program. It allows to exit loop, start the next iteration of a loop and explicitly transfer program control to a specified location in you program.

Type of jumping statement:

1. Break statement
2. goto statement
3. Continue statement

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