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Null-terminated wide strings

From cppreference.com
< c‎ | string

A null-terminated wide string is a sequence of valid wide characters, ending with a null-character.

Contents

[edit] Functions

Character classification
Defined in header <wctype.h>
checks if a wide character is alphanumeric
(function) [edit]
checks if a wide character is alphabetic
(function) [edit]
checks if a wide character is an lowercase character
(function) [edit]
checks if a wide character is an uppercase character
(function) [edit]
checks if a wide character is a digit
(function) [edit]
checks if a character is a hexadecimal character
(function) [edit]
checks if a wide character is a control character
(function) [edit]
checks if a wide character is a graphical character
(function) [edit]
checks if a wide character is a space character
(function) [edit]
checks if a wide character is a blank character
(function) [edit]
checks if a wide character is a printing character
(function) [edit]
checks if a wide character is a punctuation character
(function) [edit]
classifies a wide character according to the specified LC_CTYPE category
(function) [edit]
looks up a character classification category in the current C locale
(function) [edit]
Character manipulation
Defined in header <wctype.h>
converts a wide character to lowercase
(function) [edit]
converts a wide character to uppercase
(function) [edit]
performs character mapping according to the specified LC_CTYPE mapping category
(function) [edit]
looks up a character mapping category in the current C locale
(function) [edit]
ASCII values
(hex)
characters

iscntrl
iswcntrl

isprint
iswprint

isspace
iswspace

isblank
iswblank

isgraph
iswgraph

ispunct
iswpunct

isalnum
iswalnum

isalpha
iswalpha

isupper
iswupper

islower
iswlower

isdigit
iswdigit

isxdigit
iswxdigit

0 - 8 0x00-0x08 control codes (NUL, etc.) ≠0 0 0 0 0 0 0 0 0 0 0 0
9 0x09 tab (\t) ≠0 0 ≠0 ≠0 0 0 0 0 0 0 0 0
10 - 13 0x0A-0x0D whitespaces (\n,\v,\f,\r) ≠0 0 ≠0 0 0 0 0 0 0 0 0 0
14 - 31 0x0E-0x1F control codes ≠0 0 0 0 0 0 0 0 0 0 0 0
32 0x20 space 0 ≠0 ≠0 ≠0 0 0 0 0 0 0 0 0
33 - 47 0x21-0x2F !"#$%&'()*+,-./ 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
48 - 57 0x30-0x39 0123456789 0 ≠0 0 0 ≠0 0 ≠0 0 0 0 ≠0 ≠0
58 - 64 0x3a-0x40 :;<=>?@ 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
65 - 70 0x41-0x46 ABCDEF 0 ≠0 0 0 ≠0 0 ≠0 ≠0 ≠0 0 0 ≠0
71 - 90 0x47-0x5A GHIJKLMNOPQRSTUVWXYZ 0 ≠0 0 0 ≠0 0 ≠0 ≠0 ≠0 0 0 0
91 - 96 0x5B-0x60 [\]^_` 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
97 -102 0x61-0x66 abcdef 0 ≠0 0 0 ≠0 0 ≠0 ≠0 0 ≠0 0 ≠0
103-122 0x67-0x7A ghijklmnopqrstuvwxyz 0 ≠0 0 0 ≠0 0 ≠0 ≠0 0 ≠0 0 0
123-126 0x7B-0x7E {|}~ 0 ≠0 0 0 ≠0 ≠0 0 0 0 0 0 0
127 0x7F backspace character (DEL) ≠0 0 0 0 0 0 0 0 0 0 0 0
Conversions to numeric formats
Defined in header <wchar.h>
converts a wide string to an integer value
(function) [edit]
converts a wide string to an unsigned integer value
(function) [edit]
converts a wide string to a floating point value
(function) [edit]
Defined in header <inttypes.h>
converts a wide string to intmax_t or uintmax_t
(function) [edit]
String manipulation
Defined in header <wchar.h>
copies one wide string to another
(function) [edit]
copies a certain amount of wide characters from one string to another
(function) [edit]
appends a copy of one wide string to another
(function) [edit]
appends a certain amount of wide characters from one wide string to another
(function) [edit]
transform a wide string so that wcscmp would produce the same result as wcscoll
(function) [edit]
String examination
Defined in header <wchar.h>
returns the length of a wide string
(function) [edit]
compares two wide strings
(function) [edit]
compares a certain amount of characters from two wide strings
(function) [edit]
compares two wide strings in accordance to the current locale
(function) [edit]
finds the first occurrence of a wide character in a wide string
(function) [edit]
finds the last occurrence of a wide character in a wide string
(function) [edit]
returns the length of the maximum initial segment that consists
of only the wide characters found in another wide string
(function) [edit]
returns the length of the maximum initial segment that consists
of only the wide not found in another wide string
(function) [edit]
finds the first location of any wide character in one wide string, in another wide string
(function) [edit]
finds the first occurrence of a wide string within another wide string
(function) [edit]
finds the next token in a wide string
(function) [edit]
Wide character array manipulation
Defined in header <wchar.h>
copies a certain amount of wide characters between two non-overlapping arrays
(function) [edit]
copies a certain amount of wide characters between two, possibly overlapping, arrays
(function) [edit]
compares a certain amount of wide characters from two arrays
(function) [edit]
finds the first occurrence of a wide character in a wide character array
(function) [edit]
copies the given wide character to every position in a wide character array
(function) [edit]

[edit] Types

Defined in header <wctype.h>
wctrans_t scalar type that holds locale-specific character mapping
wctype_t scalar type that holds locale-specific character classification
wint_t integer type that can hold any valid wide character and at least one more value

[edit] Macros

Defined in header <wchar.h>
WEOF
a non-character value of type wint_t used to indicate errors
(macro constant)
WCHAR_MIN
the smallest valid value of wchar_t
(macro constant)
WCHAR_MAX
the largest valid value of wchar_t
(macro constant)