Mstdlib-1.24.0
Typedefs | Functions
Character
Base

Typedefs

typedef M_bool(* M_chr_predicate_func) (char c)
 
typedef char(* M_chr_map_func) (char)
 

Functions

M_bool M_chr_isalnum (char c)
 
M_bool M_chr_isalnumsp (char c)
 
M_bool M_chr_isalpha (char c)
 
M_bool M_chr_isalphasp (char c)
 
M_bool M_chr_isascii (char c)
 
M_bool M_chr_isblank (char c)
 
M_bool M_chr_iscntrl (char c)
 
M_bool M_chr_isdigit (char c)
 
M_bool M_chr_isdec (char c)
 
M_bool M_chr_isgraph (char c)
 
M_bool M_chr_islower (char c)
 
M_bool M_chr_isupper (char c)
 
M_bool M_chr_isprint (char c)
 
M_bool M_chr_ispunct (char c)
 
M_bool M_chr_isspace (char c)
 
M_bool M_chr_ishex (char c)
 
char M_chr_tolower (char c)
 
char M_chr_toupper (char c)
 
int M_chr_digit (char c)
 
int M_chr_xdigit (char c)
 

Detailed Description

ASCII character checks and conversion.

Handles checking if a caracter is a certain type. Also handles converting characters to other representations. Such as to lowercase, and to uppercase.

Typedef Documentation

◆ M_chr_predicate_func

typedef M_bool(* M_chr_predicate_func) (char c)

◆ M_chr_map_func

typedef char(* M_chr_map_func) (char)

Function Documentation

◆ M_chr_isalnum()

M_bool M_chr_isalnum ( char  c)

Checks for an alphanumeric character.

Equivalent regular expression: [A-Za-z0-9].

Parameters
[in]cThe character to check.
Returns
True if in character class or false if not.

◆ M_chr_isalnumsp()

M_bool M_chr_isalnumsp ( char  c)

Checks for an alphanumeric character, spaces allowed.

Equivalent regular expression: [A-Za-z0-9 ].

Parameters
[in]cThe character to check.
Returns
True if in character class or false if not.

◆ M_chr_isalpha()

M_bool M_chr_isalpha ( char  c)

Checks for an alphabetic character.

Equivalent regular expression: [A-Za-z].

Parameters
[in]cThe character to check.
Returns
True if in character class or false if not.

◆ M_chr_isalphasp()

M_bool M_chr_isalphasp ( char  c)

Checks for an alphabetic character, spaces allowed.

Equivalent regular expression: [A-Za-z ].

Parameters
[in]cThe character to check.
Returns
True if in character class or false if not.

◆ M_chr_isascii()

M_bool M_chr_isascii ( char  c)

Checks for 7-bit ASCII character.

Equivalent regular expression: [\x00-\x7f].

Parameters
[in]cThe character to check.
Returns
True if in character class or false if not.

◆ M_chr_isblank()

M_bool M_chr_isblank ( char  c)

Checks for a blank character.

Equivalent regular expression: [ \t]

Parameters
[in]cThe character to check.
Returns
True if in character class or false if not.

◆ M_chr_iscntrl()

M_bool M_chr_iscntrl ( char  c)

Checks for a control character.

Equivalent regular expression: [ \t].

Parameters
[in]cThe character to check.
Returns
True if in character class or false if not.

◆ M_chr_isdigit()

M_bool M_chr_isdigit ( char  c)

Checks for a digit zero through nine.

Equivalent regular expression: [0-9].

Parameters
[in]cThe character to check.
Returns
True if in character class or false if not.

◆ M_chr_isdec()

M_bool M_chr_isdec ( char  c)

Checks for a digit zero through nine or a period.

Equivalent regular expression: [0-9.].

Parameters
[in]cThe character to check.
Returns
True if in character class or false if not.

◆ M_chr_isgraph()

M_bool M_chr_isgraph ( char  c)

Checks for any printable character except space.

Equivalent regular expression: [!-~].

Parameters
[in]cThe character to check.
Returns
True if in character class or false if not.

◆ M_chr_islower()

M_bool M_chr_islower ( char  c)

Checks for a lower-case character [a-z].

Equivalent regular expression: [a-z].

Parameters
[in]cThe character to check.
Returns
True if in character class or false if not.

◆ M_chr_isupper()

M_bool M_chr_isupper ( char  c)

Checks for an uppercase letter.

Equivalent regular expression: [A-Z].

Parameters
[in]cThe character to check.
Returns
True if in character class or false if not.

◆ M_chr_isprint()

M_bool M_chr_isprint ( char  c)

Checks for any printable character including space.

Equivalent regular expression: [ -~].

Parameters
[in]cThe character to check.
Returns
True if in character class or false if not.

◆ M_chr_ispunct()

M_bool M_chr_ispunct ( char  c)

Checks for any printable character which is not a space or an alphanumeric character.

Equivalent regular expression: [!-/:-@[-`{-~].

Parameters
[in]cThe character to check.
Returns
True if in character class or false if not.

◆ M_chr_isspace()

M_bool M_chr_isspace ( char  c)

Checks for white-space characters.

Equivalent regular expression: [\f\n\r\t\v].

Parameters
[in]cThe character to check.
Returns
True if in character class or false if not.

◆ M_chr_ishex()

M_bool M_chr_ishex ( char  c)

Checks for a hexadecimal digits.

Equivalent regular expression: [0-9a-fA-F].

Parameters
[in]cThe character to check.
Returns
True if in character class or false if not.

◆ M_chr_tolower()

char M_chr_tolower ( char  c)

Convert character to lower case, if possible.

Parameters
[in]cThe character to convert.
Returns
c if not uppercase, otherwise the lowercase equivalent of c.

◆ M_chr_toupper()

char M_chr_toupper ( char  c)

Convert character to upper case, if possible

Parameters
[in]cThe character to convert.
Returns
c if not lowercase, otherwise the uppercase equivalent of c

◆ M_chr_digit()

int M_chr_digit ( char  c)

Convert a base-10 digit represented as a character to its corresponding integer representation.

Parameters
[in]cThe decimal character to convert.
Returns
0-9 on valid input, -1 if c is not a digit.

◆ M_chr_xdigit()

int M_chr_xdigit ( char  c)

Convert a base-16 (hexadecimal) digit represented as a character to its corresponding integer representation.

Parameters
[in]cThe hexadecimal character to convert.
Returns
0-9 on valid input, -1 if c is not a digit.