Answered: Question 1. Read the below C program…

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 1. 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; }

List all the functions that have been uses in the code and mention their type.

Explain the commands that have been executed by each function.

Explain the loop part and explain how to calculate the number of iterations.

Run the given program in the online compiler. Insert a screenshot of the program output with your name (ghadeer).

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