Char functions

Char functions. More...

Functions
int	ft_isalpha (int character)
	Check if arg is a char alphabetic.
int	ft_isdigit (int character)
	Check if arg is a digit.
int	ft_isalnum (int character)
	Check if arg is a char or a digit (alphanumeric)
int	ft_isascii (int character)
	Check if arg is in ascii table.
int	ft_isprint (int character)
	Check if arg is in ascii table and printable.
int	ft_toupper (int character)
	Transform minuscules into majuscules.
int	ft_tolower (int character)
	Transform majuscules into minuscules.
int	ft_isspace (int character)
	Check if arg is a whitespace.
int	ft_iswhitespace (int character)
	Alternative name for ft_isspace.

Detailed Description

Char functions.

Function Documentation

ft_isalnum()

int ft_isalnum

(

int

character

)

Check if arg is a char or a digit (alphanumeric)

Parameters

character

character to check

Returns

int 0 not char, anything else is char or digit

ft_isalpha()

int ft_isalpha

(

int

character

)

Check if arg is a char alphabetic.

Parameters

character

character to check

Returns

int 0 not char, anything else is char

ft_isascii()

int ft_isascii

(

int

character

)

Check if arg is in ascii table.

Parameters

character

character to check

Returns

int 0 not in ascii table, anything else if in ascii table

ft_isdigit()

int ft_isdigit

(

int

character

)

Check if arg is a digit.

Parameters

character

character to check

Returns

int 0 not digit, anything else is digit

ft_isprint()

int ft_isprint

(

int

character

)

Check if arg is in ascii table and printable.

Parameters

character

character to check

Returns

int 0 not in ascii table, anything else if in ascii table

ft_isspace()

int ft_isspace

(

int

character

)

Check if arg is a whitespace.

Parameters

character

character to check

Returns

int 0 not space, anything else is a whitespace

ft_iswhitespace()

int ft_iswhitespace

(

int

character

)

Alternative name for ft_isspace.

Parameters

character

character to check

Returns

int 0 not space, anything else is a whitespace

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ft_tolower()

int ft_tolower

(

int

character

)

Transform majuscules into minuscules.

Parameters

character

character to check

Returns

character in minuscules if was in majuscules OR character isn´t majuscules

ft_toupper()

int ft_toupper

(

int

character

)

Transform minuscules into majuscules.

Parameters

character

character to check

Returns

character in majuscule if was in minuscule OR character isn´t minuscule