Null-terminated wide strings
From cppreference.com
A null-terminated wide string is a sequence of valid wide characters, ending with a null-character.
Contents |
[edit] Functions
Character classification |
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| Defined in header
<wctype.h> |
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| checks if a wide character is alphanumeric (function) |
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| checks if a wide character is alphabetic (function) |
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| checks if a wide character is an lowercase character (function) |
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| checks if a wide character is an uppercase character (function) |
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| checks if a wide character is a digit (function) |
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| checks if a character is a hexadecimal character (function) |
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| checks if a wide character is a control character (function) |
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| checks if a wide character is a graphical character (function) |
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| checks if a wide character is a space character (function) |
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| (C99)
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checks if a wide character is a blank character (function) |
| checks if a wide character is a printing character (function) |
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| checks if a wide character is a punctuation character (function) |
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| classifies a wide character according to the specified LC_CTYPE category (function) |
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| looks up a character classification category in the current C locale (function) |
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Character manipulation |
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| Defined in header
<wctype.h> |
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| converts a wide character to lowercase (function) |
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| converts a wide character to uppercase (function) |
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| performs character mapping according to the specified LC_CTYPE mapping category (function) |
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| looks up a character mapping category in the current C locale (function) |
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| ASCII values (hex) |
characters | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 - 8 | 0x00-0x08
|
control codes (NUL, etc.)
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≠0
|
0
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0
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0
|
0
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0
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0
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0
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0
|
0
|
0
|
0
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| 9 | 0x09
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tab (\t)
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≠0
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0
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≠0
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≠0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
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| 10 - 13 | 0x0A-0x0D
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whitespaces (\n,\v,\f,\r)
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≠0
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0
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≠0
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0
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0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
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| 14 - 31 | 0x0E-0x1F
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control codes |
≠0
|
0
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0
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0
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0
|
0
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0
|
0
|
0
|
0
|
0
|
0
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| 32 | 0x20
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space | 0
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≠0
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≠0
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≠0
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0
|
0
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0
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0
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0
|
0
|
0
|
0
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| 33 - 47 | 0x21-0x2F
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!"#$%&'()*+,-./
|
0
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≠0
|
0
|
0
|
≠0
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≠0
|
0
|
0
|
0
|
0
|
0
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0
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| 48 - 57 | 0x30-0x39
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0123456789
|
0
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≠0
|
0
|
0
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≠0
|
0
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≠0
|
0
|
0
|
0
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≠0
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≠0
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| 58 - 64 | 0x3a-0x40
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:;<=>?@
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0
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≠0
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0
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0
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≠0
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≠0
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0
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0
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0
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0
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0
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0
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| 65 - 70 | 0x41-0x46
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ABCDEF
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0
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≠0
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0
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0
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≠0
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0
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≠0
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≠0
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≠0
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0
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0
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≠0
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| 71 - 90 | 0x47-0x5A
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GHIJKLMNOPQRSTUVWXYZ
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0
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≠0
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0
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0
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≠0
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0
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≠0
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≠0
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≠0
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0
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0
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0
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| 91 - 96 | 0x5B-0x60
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[\]^_`
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0
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≠0
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0
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0
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≠0
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≠0
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0
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0
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0
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0
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0
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0
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| 97 -102 | 0x61-0x66
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abcdef
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0
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≠0
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0
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0
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≠0
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0
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≠0
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≠0
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0
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≠0
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0
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≠0
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| 103-122 | 0x67-0x7A
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ghijklmnopqrstuvwxyz
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0
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≠0
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0
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0
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≠0
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0
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≠0
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≠0
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0
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≠0
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0
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0
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| 123-126 | 0x7B-0x7E
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{|}~
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0
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≠0
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0
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0
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≠0
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≠0
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0
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0
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0
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0
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0
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0
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| 127 | 0x7F
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backspace character (DEL)
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≠0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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Conversions to numeric formats |
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| Defined in header
<wchar.h> |
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| converts a wide string to an integer value (function) |
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| converts a wide string to an unsigned integer value (function) |
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| converts a wide string to a floating point value (function) |
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| Defined in header
<inttypes.h> |
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| (C99)(C99)
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converts a wide string to intmax_t or uintmax_t (function) |
String manipulation |
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| Defined in header
<wchar.h> |
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| copies one wide string to another (function) |
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| copies a certain amount of wide characters from one string to another (function) |
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| appends a copy of one wide string to another (function) |
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| appends a certain amount of wide characters from one wide string to another (function) |
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| transform a wide string so that wcscmp would produce the same result as wcscoll (function) |
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String examination |
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| Defined in header
<wchar.h> |
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| returns the length of a wide string (function) |
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| compares two wide strings (function) |
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| compares a certain amount of characters from two wide strings (function) |
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| compares two wide strings in accordance to the current locale (function) |
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| finds the first occurrence of a wide character in a wide string (function) |
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| finds the last occurrence of a wide character in a wide string (function) |
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| returns the length of the maximum initial segment that consists of only the wide characters found in another wide string (function) |
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| returns the length of the maximum initial segment that consists of only the wide not found in another wide string (function) |
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| finds the first location of any wide character in one wide string, in another wide string (function) |
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| finds the first occurrence of a wide string within another wide string (function) |
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| finds the next token in a wide string (function) |
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Wide character array manipulation |
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| Defined in header
<wchar.h> |
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| copies a certain amount of wide characters between two non-overlapping arrays (function) |
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| copies a certain amount of wide characters between two, possibly overlapping, arrays (function) |
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| compares a certain amount of wide characters from two arrays (function) |
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| finds the first occurrence of a wide character in a wide character array (function) |
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| copies the given wide character to every position in a wide character array (function) |
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[edit] Types
| Defined in header
<wctype.h> |
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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> |
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| 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) |
[edit] See also
|
C++ documentation for Null-terminated wide strings
|