Passwords to a certain system are required to have: at least one uppercase letter, at least one lowercase letter, • at least one digit and at least one punctuation character. Write a function bool CheckPassword(char s[], int SIZE) that checks if the strings with length SIZE meets these requirements. If it does, the function must return true, otherwise it must return false. You may find the following functions helpful. int isalpha(int c); int islower(int c); int isupper(int c); int isblank( int c): int isdigit( int c); int isalnum( int c); int ispunct( int c); int tolower( intc); int toupper( int c); Returns a true value if c is a letter and 0 otherwise. Returns a true value if c is a lowercase letter and 0 otherwise. Returns a true value if c is an uppercase letter and 0 otherwise. Returns a true value if c is a blank character and 0 otherwise. Returns a true value if c is a digit and 0 otherwise. Returns a true value if c is a digit or letter and 0 otherwise. Returns a true value if c is a character other than a space, digit or letter and 0 otherwise. If c is an uppercase letter, tolower returns c as a lowercase Vetter. Otherwise, tolower returns the argument unchanged. if c is a lowercase letter, toupper returns c as an uppercase Vetter. Otherwise, toupper returns the argument unchanged.
Passwords to a certain system are required to have: at least one uppercase letter, at least one lowercase letter, • at least one digit and at least one punctuation character. Write a function bool CheckPassword(char s[], int SIZE) that checks if the strings with length SIZE meets these requirements. If it does, the function must return true, otherwise it must return false. You may find the following functions helpful. int isalpha(int c); int islower(int c); int isupper(int c); int isblank( int c): int isdigit( int c); int isalnum( int c); int ispunct( int c); int tolower( intc); int toupper( int c); Returns a true value if c is a letter and 0 otherwise. Returns a true value if c is a lowercase letter and 0 otherwise. Returns a true value if c is an uppercase letter and 0 otherwise. Returns a true value if c is a blank character and 0 otherwise. Returns a true value if c is a digit and 0 otherwise. Returns a true value if c is a digit or letter and 0 otherwise. Returns a true value if c is a character other than a space, digit or letter and 0 otherwise. If c is an uppercase letter, tolower returns c as a lowercase Vetter. Otherwise, tolower returns the argument unchanged. if c is a lowercase letter, toupper returns c as an uppercase Vetter. Otherwise, toupper returns the argument unchanged.
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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![Passwords to a certain system are required to have:
at least one uppercase letter,
• at least one lowercase letter,
at least one digit and
• at least one punctuation character.
Write a function bool CheckPassword(char s[], int SIZE) that checks if the strings with length SIZE meets these requirements. If it
does, the function must return true, otherwise it must return false.
You may find the following functions helpful.
int isalpha( int c);
int islower(int c);
int isupper(int c);
int isblank( int c);
int isdigit( int c);
int isalnum( int c);
int ispunct( int c);
int tolower( int c);
int toupper(int c);
Returns a true value if c is a letter and 0 otherwise.
Returns a true value if c is a lowercase letter and 0 otherwise.
Returns a true value if c is an uppercase letter and 0
otherwise.
Returns a true value if c is a blank character and 0
otherwise.
Returns a true value if c is a digit and 0 otherwise.
Returns a true value if c is a digit or letter and 0 otherwise.
Returns a true value if c is a character other than a space,
digit or letter and 0 otherwise.
If c is an uppercase letter, tolower returns c as a lowercase
Jetter. Otherwise, tolower returns the argument unchanged.
if c is a lowercase letter, toupper returns c as an uppercase
Vetter. Otherwise, toupper returns the argument unchanged.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F11aed2d3-1ae5-4964-b526-20e97a69166c%2F2d721523-55e4-4097-b7ed-c48ee608f0ef%2Fqdy1d4d_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Passwords to a certain system are required to have:
at least one uppercase letter,
• at least one lowercase letter,
at least one digit and
• at least one punctuation character.
Write a function bool CheckPassword(char s[], int SIZE) that checks if the strings with length SIZE meets these requirements. If it
does, the function must return true, otherwise it must return false.
You may find the following functions helpful.
int isalpha( int c);
int islower(int c);
int isupper(int c);
int isblank( int c);
int isdigit( int c);
int isalnum( int c);
int ispunct( int c);
int tolower( int c);
int toupper(int c);
Returns a true value if c is a letter and 0 otherwise.
Returns a true value if c is a lowercase letter and 0 otherwise.
Returns a true value if c is an uppercase letter and 0
otherwise.
Returns a true value if c is a blank character and 0
otherwise.
Returns a true value if c is a digit and 0 otherwise.
Returns a true value if c is a digit or letter and 0 otherwise.
Returns a true value if c is a character other than a space,
digit or letter and 0 otherwise.
If c is an uppercase letter, tolower returns c as a lowercase
Jetter. Otherwise, tolower returns the argument unchanged.
if c is a lowercase letter, toupper returns c as an uppercase
Vetter. Otherwise, toupper returns the argument unchanged.
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