From 754bbf7a25a8dda49b5d08ef0d0443bbf5af0e36 Mon Sep 17 00:00:00 2001 From: Craig Jennings Date: Sun, 7 Apr 2024 13:41:34 -0500 Subject: new repository --- devdocs/c/string%2Fwide.html | 231 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 231 insertions(+) create mode 100644 devdocs/c/string%2Fwide.html (limited to 'devdocs/c/string%2Fwide.html') diff --git a/devdocs/c/string%2Fwide.html b/devdocs/c/string%2Fwide.html new file mode 100644 index 00000000..3367609f --- /dev/null +++ b/devdocs/c/string%2Fwide.html @@ -0,0 +1,231 @@ +

Null-terminated wide strings

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

+

Functions

+ + + + + + + + + + + + + + + + + + + + + +
Character classification
Defined in header <wctype.h>
+
(C95)
 checks if a wide character is alphanumeric
(function)
+
(C95)
 checks if a wide character is alphabetic
(function)
+
(C95)
 checks if a wide character is an lowercase character
(function)
+
(C95)
 checks if a wide character is an uppercase character
(function)
+
(C95)
 checks if a wide character is a digit
(function)
+
(C95)
 checks if a wide character is a hexadecimal character
(function)
+
(C95)
 checks if a wide character is a control character
(function)
+
(C95)
 checks if a wide character is a graphical character
(function)
+
(C95)
 checks if a wide character is a space character
(function)
+
(C99)
 checks if a wide character is a blank character
(function)
+
(C95)
 checks if a wide character is a printing character
(function)
+
(C95)
 checks if a wide character is a punctuation character
(function)
+
(C95)
 classifies a wide character according to the specified LC_CTYPE category
(function)
+
(C95)
 looks up a character classification category in the current C locale
(function)
Character manipulation
Defined in header <wctype.h>
+
(C95)
 converts a wide character to lowercase
(function)
+
(C95)
 converts a wide character to uppercase
(function)
+
(C95)
 performs character mapping according to the specified LC_CTYPE mapping category
(function)
+
(C95)
 looks up a character mapping category in the current C locale
(function)
+ + + + + + + + + + + + + + + + + +
ASCII values 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

+
decimal hexadecimal octal
0–8 \x0–\x8 \0–\10 control codes (NUL, etc.) +≠0 0 0 0 0 0 0 0 0 0 0 0
9 \x9 \11 tab (\t) +≠0 0 +≠0 +≠0 0 0 0 0 0 0 0 0
10–13 \xA–\xD \12–\15 whitespaces (\n, \v, \f, \r) +≠0 0 +≠0 0 0 0 0 0 0 0 0 0
14–31 \xE–\x1F \16–\37 control codes +≠0 0 0 0 0 0 0 0 0 0 0 0
32 \x20 \40 space 0 +≠0 +≠0 +≠0 0 0 0 0 0 0 0 0
33–47 \x21–\x2F \41–\57 !"#$%&'()*+,-./ 0 +≠0 0 0 +≠0 +≠0 0 0 0 0 0 0
48–57 \x30–\x39 \60–\71 0123456789 0 +≠0 0 0 +≠0 0 +≠0 0 0 0 +≠0 +≠0
58–64 \x3A–\x40 \72–\100 :;<=>?@ 0 +≠0 0 0 +≠0 +≠0 0 0 0 0 0 0
65–70 \x41–\x46 \101–\106 ABCDEF 0 +≠0 0 0 +≠0 0 +≠0 +≠0 +≠0 0 0 +≠0
71–90 \x47–\x5A \107–\132 GHIJKLMNOP
QRSTUVWXYZ 		0 +≠0 0 0 +≠0 0 +≠0 +≠0 +≠0 0 0 0
91–96 \x5B–\x60 \133–\140 [\]^_` 0 +≠0 0 0 +≠0 +≠0 0 0 0 0 0 0
97–102 \x61–\x66 \141–\146 abcdef 0 +≠0 0 0 +≠0 0 +≠0 +≠0 0 +≠0 0 +≠0
103–122 \x67–\x7A \147–\172 ghijklmnop
qrstuvwxyz 		0 +≠0 0 0 +≠0 0 +≠0 +≠0 0 +≠0 0 0
123–126 \x7B–\x7E \172–\176 {|}~ 0 +≠0 0 0 +≠0 +≠0 0 0 0 0 0 0
127 \x7F \177 backspace character (DEL) +≠0 0 0 0 0 0 0 0 0 0 0 0
+ + + + + + +
Conversions to numeric formats
Defined in header <wchar.h>
+
(C95)(C99)
 converts a wide string to an integer value
(function)
+
(C95)(C99)
 converts a wide string to an unsigned integer value
(function)
+
(C99)(C95)(C99)
 converts a wide string to a floating-point value
(function)
Defined in header <inttypes.h>
+
(C99)(C99)
 converts a wide string to intmax_t or uintmax_t
(function)
+ + + + + + + + + + + + + + + + + + + +
String manipulation
Defined in header <wchar.h>
+
(C95)(C11)
 copies one wide string to another
(function)
+
(C95)(C11)
 copies a certain amount of wide characters from one string to another
(function)
+
(C95)(C11)
 appends a copy of one wide string to another
(function)
+
(C95)(C11)
 appends a certain amount of wide characters from one wide string to another
(function)
+
(C95)
 transform a wide string so that wcscmp would produce the same result as wcscoll
(function)
String examination
Defined in header <wchar.h>
+
(C95)(C11)
 returns the length of a wide string
(function)
+
(C95)
 compares two wide strings
(function)
+
(C95)
 compares a certain amount of characters from two wide strings
(function)
+
(C95)
 compares two wide strings in accordance to the current locale
(function)
+
(C95)
 finds the first occurrence of a wide character in a wide string
(function)
+
(C95)
 finds the last occurrence of a wide character in a wide string
(function)
+
(C95)
 returns the length of the maximum initial segment that consists
of only the wide characters found in another wide string
(function)
+
(C95)
 returns the length of the maximum initial segment that consists
of only the wide chars not found in another wide string
(function)
+
(C95)
 finds the first location of any wide character in one wide string, in another wide string
(function)
+
(C95)
 finds the first occurrence of a wide string within another wide string
(function)
+
(C95)(C11)
 finds the next token in a wide string
(function)
+ + + + + + +
Wide character array manipulation
Defined in header <wchar.h>
+
(C95)(C11)
 copies a certain amount of wide characters between two non-overlapping arrays
(function)
+
(C95)(C11)
 copies a certain amount of wide characters between two, possibly overlapping, arrays
(function)
+
(C95)
 compares a certain amount of wide characters from two arrays
(function)
+
(C95)
 finds the first occurrence of a wide character in a wide character array
(function)
+
(C95)
 copies the given wide character to every position in a wide character array
(function)

Types

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Defined in header <stddef.h>
Defined in header <stdlib.h>
Defined in header <wchar.h>
wchar_t
 integer type that can hold any valid wide character
(typedef)
Defined in header <wchar.h>
Defined in header <wctype.h>
wint_t
+
(C95)
 integer type that can hold any valid wide character and at least one more value
(typedef)
Defined in header <wctype.h>
wctrans_t
+
(C95)
 scalar type that holds locale-specific character mapping
(typedef)
wctype_t
+
(C95)
 scalar type that holds locale-specific character classification
(typedef)

Macros

+ + + + + + +
Defined in header <wchar.h>
Defined in header <wctype.h>
WEOF
+
(C95)
 a non-character value of type wint_t used to indicate errors
(macro constant)
Defined in header <wchar.h>
Defined in header <stdint.h>
WCHAR_MIN
+
(C95)
 the smallest valid value of wchar_t
(macro constant)
WCHAR_MAX
+
(C95)
 the largest valid value of wchar_t
(macro constant)

References

See also

+
C++ documentation for Null-terminated wide strings
+

+ © cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
+ https://en.cppreference.com/w/c/string/wide +

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