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C – for loop

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In C programming, for loop is a more efficient loop structure and is an entry-control loop. The iteration continues until the stated condition becomes false.

It has three computing steps as shown in the syntax below.

  • initialization: The first step is the initialization of the variable and is executed only once. And need to end with a semicolon(;).
  • condition: Second is condition check, it checks for a boolean expression. If true then enter the block and if false exit the loop. And need to end with a semicolon(;).
  • Increment or Decrement: The third one is increment or decrement of the variable for the next iteration. Here, we need to use the semicolon(;).

for loop Flowchart:

for loop in C

Syntax of for loop.

 for(initialization; condition; Increment or Decrement) 
 {
  // Statements
 }

Example of for loop in C Program.

#include <stdio.h>

int main()
{
  int num;

 //execution of for loop
  for (num = 5; num <= 10; num++)
  {
    printf("The values of num: %d\n", num);
  }

  return 0;
}

The output of for loop in C programming.

The values of num: 5
The values of num: 6
The values of num: 7
The values of num: 8
The values of num: 9
The values of num: 10

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