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Standard library header <cwchar>

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< cpp‎ | header
Revision as of 22:54, 31 May 2013 by P12bot (Talk | contribs)

This header was originally in the C standard library as <wchar.h>.

This header is part of the null-terminated wide and multibyte strings libraries. It also provides some C-style I/O functions and conversion fom C-style Date.

Contents

Macros

implementation-defined null pointer constant
(macro constant) [edit]
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)

Types

conversion state information necessary to iterate multibyte character strings
(class) [edit]
unsigned integer type returned by the sizeof operator
(typedef) [edit]
wint_t integer type that can hold any valid wide character and at least one more value
calendar time type
(class) [edit]

Functions

String manipulation
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
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
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]
Multibyte/wide character conversion
checks if the mbstate_t object represents initial shift state
(function) [edit]
widens a single-byte narrow character to wide character, if possible
(function) [edit]
narrows a wide character to a single-byte narrow character, if possible
(function) [edit]
returns the number of bytes in the next multibyte character, given state
(function) [edit]
converts the next multibyte character to wide character, given state
(function) [edit]
converts a wide character to its multibyte representation, given state
(function) [edit]
converts a narrow multibyte character string to wide string, given state
(function) [edit]
converts a wide string to narrow multibyte character string, given state
(function) [edit]
Input/Output
gets a wide character from a file stream
(function) [edit]
gets a wide string from a file stream
(function) [edit]
writes a wide character to a file stream
(function) [edit]
writes a wide string to a file stream
(function) [edit]
reads a wide character from stdin
(function) [edit]
writes a wide character to stdout
(function) [edit]
puts a wide character back into a file stream
(function) [edit]
switches a file stream between wide character I/O and narrow character I/O
(function) [edit]
reads formatted wide character input from stdin, a file stream or a buffer
(function) [edit]
(C++11)(C++11)(C++11)
reads formatted wide character input from stdin, a file stream
or a buffer using variable argument list
(function) [edit]
prints formatted wide character output to stdout, a file stream or a buffer
(function) [edit]
prints formatted wide character output to stdout, a file stream
or a buffer using variable argument list
(function) [edit]
String conversions
converts a tm object to custom wide string textual representation
(function) [edit]
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]


Notes