C #10 – Nested Loops in C Language

 

Nested Loops in C Language

C programming allows to use one loop inside another loop. The following section shows a few examples to illustrate the concept.

Syntax

The syntax for a nested for loop statement in C is as follows −

for ( init; condition; increment ) {

   for ( init; condition; increment ) {

     statement(s);

   }

   statement(s);

}

 

 

The syntax for a nested while loop statement in C programming language is as follows −

while(condition) {

   while(condition) {

     statement(s);

   }

   statement(s);

}

 

 

The syntax for a nested do…while loop statement in C programming language is as follows −

do {

   statement(s);

   do {

     statement(s);

   }while( condition );

}while( condition );

A final note on loop nesting is that you can put any type of loop inside any other type of loop. For example, a ‘for’ loop can be inside a ‘while’ loop or vice versa.