A program to print a requested character in requested rows and columns

gistfile1.txt

/* chline.c -- A program to print a requested character in requested rows and columns */

#include <stdio.h>
#include <stdlib.h>

char getcharacter(void);
int getint(void);
void printchar(char character, int rows, int cols);

int main(void) 
{
    char character;
    int rows = '\0';
    int cols = '\0';

    /* get input from user */
    printf("Enter the character to print: ");
    character = getcharacter();
    printf("Enter the number of rows: ");
    rows = getint();
    printf("Enter the number of columns: ");
    rows = getint();

    /* output the grid of chars */
    printf("character = %c", character);
    printchar(character, rows, cols);

    return EXIT_SUCCESS;
}

void printchar(char character, int rows, int cols)
{
    int i, j;

    for (i = 0; i < rows; i++)
    {
        for (j = 0; j < cols; j++)
        {
            putchar(character);
        }
        putchar('\n');
    }
}

char getcharacter(void)
{
    char character;

    character = getchar();
    while (getchar() != '\n' )
    {
        continue;
    } 
    
    return character;
}

int getint(void)
{
    int input;
    char ch;

    while (scanf("%d", &input) != 1) 
    {
        while ((ch = getchar()) != '\n')
        {
            putchar(ch);
        }
        printf(" is not an integer.\n");
        printf("Please enter an integer value: ");
    }

    return input;
}