C Q1

#include<stdio.h>
#include <stdbool.h>
#include <string.h>

#define MIN_PASSWORD_LENGTH 5

int get_password_length();
bool get_password_number();
bool get_password_capital();
bool get_password_sign();

int main()
{
    char password[10];
    char c;
    int i = 0;
    while((c = getchar()) != '\n')
    {
        password[i++] = c;
    }
    password[i] = '\0'; // Determines null by the end of the string.

    int passwordLength = get_password_length(password);
    printf("Password Length: %d\n", passwordLength);

    if(passwordLength < MIN_PASSWORD_LENGTH)
    {
        printf("Password must contain at least 5 characters!");
        return 0;
    }

    if(!get_password_number(password, passwordLength))
    {
        printf("Password must contain a number!");
        return 0;
    }

    if(!get_password_capital(password, passwordLength))
    {
        printf("Password must contain a capital letter!");
        return 0;
    }

    if(!get_password_sign(password, passwordLength))
    {
        printf("Password must contain a special sign!");
        return 0;
    }

    printf("Your password meets all of the requirements!");


}

int get_password_length(char* password)
{
    int length = 0;
    char* p = password;
    while (*p != '\0')
    {
        length++;
        p++;
    }
    return length;
}

bool get_password_number(char* password, int passwordLength)
{
    char* p = password;
    for(int i = 0; i < passwordLength; i++)
    {
        if(*p >= '0' && *p <= '9')
            return true;
        p++;
    }
    return false;
}

bool get_password_capital(char* password, int passwordLength)
{
    char* p = password;
    for(int i = 0; i < passwordLength; i++)
    {
        if(*p >= 'A' && *p <= 'Z')
            return true;
        p++;
    }
    return false;
}

bool get_password_sign(char* password, int passwordLength)
{
    char* p = password;
    for(int i = 0; i < passwordLength; i++)
    {
        if(*p >= '!' && *p <= '/' || // !"#$%&'()*+,-./
        *p >= ':' && *p <= '@' || // :;<=>?@
        *p >= '[' && *p <= '`' || // {|}~
        *p >= '{' && *p <= '~')
            return true;
        p++;
    }
    return false;
}