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a. List all the functions that have been used in the code and mention their type. b. Explain the commands that have been executed by each function. c. Explain the loop part and explain how to calculate the number of iterations. d. Run the given program in the online compiler. Insert a screenshot of the program output with Name (Ali).

a. List all the functions that have been used in the code and mention their type. b. Explain the commands that have been executed by each function. c. Explain the loop part and explain how to calculate the number of iterations. d. Run the given program in the online compiler. Insert a screenshot of the program output with Name (Ali).

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question 3.   Read the below C program and answer the following questions.

#include <stdio.h>

 

char read_letter();

void pattern(int rows, int cols, char letter);

int main(void)

{

  int rows, cols;

  char letter; 

  letter = read_letter();

 

  printf("Enter the number of rows: ");

  scanf("%d",&rows);

  printf("Enter the number of columns: ");

  scanf("%d",&cols);

  pattern(rows, cols, letter);

  return 0;

}

 

char read_letter()

{

  char letter;

  printf("Enter the first letter of your name: ");

  scanf("%c",&letter);

 

  return letter;

}

 

void pattern(int x, int y, char letter) 

{

  int i, j;

  printf("\n");

 for (i = 0; i <x; i++)

{

for (j = 0; j <y; j++)

{

printf("%3c",letter);

}

printf("\n");

}

  return; }

 

a. List all the functions that have been used in the code and mention their type. b. Explain the commands that have been executed by each function. c. Explain the loop part and explain how to calculate the number of iterations. d. Run the given program in the online compiler. Insert a screenshot of the program output with Name (Ali).
Transcribed Image Text:a. List all the functions that have been used in the code and mention their type. b. Explain the commands that have been executed by each function. c. Explain the loop part and explain how to calculate the number of iterations. d. Run the given program in the online compiler. Insert a screenshot of the program output with Name (Ali).
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