This project is about nested loops, header files, and variable scope in C while practicing declaring and defining functions.

• tests: Folder of test files. Provided by Holberton School.

• _putchar.c: C function that writes a character to stdout.

• main.h: Header file containing prototypes for all functions written in the project.

-Wall -pedantic -Werror -Wextra -std=gnu89

julien@ubuntu:~/$ cat 1-main.c 
#include "main.h"
#include <stdio.h>

/**
 * main - check the code
 *
 * Return: Always 0.
 */
int main(void)
{
    char c;

    c = '0';
    printf("%c: %d\n", c, _isdigit(c));
    c = 'a';
    printf("%c: %d\n", c, _isdigit(c));
    return (0);
}
julien@ubuntu:~/$ gcc -Wall -pedantic -Werror -Wextra -std=gnu89 1-main.c 1-isdigit.c -o 1-isdigit
julien@ubuntu:~/$ ./1-isdigit 
0: 1
a: 0
julien@ubuntu:~/$ 

• 0. isupper

  • 0-isupper.c: C function that checks for uppercase characters. Returns 1 if the character is uppercase, 0 otherwise.

• 1. isdigit

  • 1-isdigit.c: C function that checks for a digit (0 through 9). Returns 1 if the character is a digit, 0 otherwise.

• 2. Collaboration is multiplication

  • 2-mul.c: C function that multiplies two integers. Returns the value of the multiplication.

• 3. The numbers speak for themselves

  • 3-print_numbers.c: C function that prints the numbers 0 to 9, followed by a new line.

• 4. I believe in numbers and signs

  • 4-print_most_numbers: C function that prints the numbers 0 to 9 except for 2 and 4, followed by a new line.

• 5. Numbers constitute the only universal language

  • 5-more_numbers.c: C function that prints the numbers 0 to 14, followed by a new line, ten times.

• 6. The shortest distance between two points is a straight line

  • 6-print_line.c: C function that draws a straight line in the terminal using the character _, followed by a new line.
    • If the function receives length input of zero or less, only a new line is printed.

• 7. I feel like I am diagonally parked in a parallel universe

  • 7-print_diagonal.c: C function that draws a diagonal line in the terminal using the \ character, followed by a new line.
    • If the function receives length input of zero or less, only a new line is printed.

• 8. You are so much sunshine in every square inch

  • 8-print_square.c: C function that prints a square using the # character, followed by a new line.
    • If the function receives size input of zero or less, only a new line is printed.

• 9. Fizz-Buzz

  • 9-fizz_buzz.c: C program that prints the numbers from 1 to 100, but for multiples of three, Fizz is printed instead of the number, for multiples of five, Buzz, and for multiples of both three and five, FizzBuzz.
    • Each number or word is separated by a space.

• 10. Triangles

  • 10-print_triangle.c: C function that prints a triangle using the # character, followed by a new line.
    • If the function receives size input of zero or less, only a new line is printed.