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wctype.ch

Declarations

Public Only
Publicstruct wctrans_t
struct wctrans_t
TODO wctrans_t is implementation defined

See Also

  • https:en.cppreference.com/w/c/string/wide
Publicfunction iswalnum
func iswalnum(ch : wint_t) : int
Checks if the given wide character is an alphanumeric character, i.e. either a number (0123456789), an uppercase letter (ABCDEFGHIJKLMNOPQRSTUVWXYZ), a lowercase letter (abcdefghijklmnopqrstuvwxyz) or any alphanumeric character specific to the current locale.

Parameters

  • ch - wide character @return Non-zero value if the wide character is an alphanumeric character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswalnum

Returns

Non-zero value if the wide character is an alphanumeric character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswalnum

See Also

  • https:en.cppreference.com/w/c/string/wide/iswalnum
Publicfunction iswalpha
func iswalpha(ch : wint_t) : int
Checks if the given wide character is an alphabetic character, i.e. either an uppercase letter (ABCDEFGHIJKLMNOPQRSTUVWXYZ), a lowercase letter (abcdefghijklmnopqrstuvwxyz) or any alphabetic character specific to the current locale.

Parameters

  • ch - wide character @return Non-zero value if the wide character is an alphabetic character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswalpha

Returns

Non-zero value if the wide character is an alphabetic character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswalpha

See Also

  • https:en.cppreference.com/w/c/string/wide/iswalpha
Publicfunction iswlower
func iswlower(ch : wint_t) : int
Checks if the given wide character is a lowercase letter, i.e. one of abcdefghijklmnopqrstuvwxyz or any lowercase letter specific to the current locale.

Parameters

  • ch - wide character @return Non-zero value if the wide character is an lowercase letter, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswlower

Returns

Non-zero value if the wide character is an lowercase letter, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswlower

See Also

  • https:en.cppreference.com/w/c/string/wide/iswlower
Publicfunction iswupper
func iswupper(ch : wint_t) : int
Checks if the given wide character is an uppercase letter, i.e. one of ABCDEFGHIJKLMNOPQRSTUVWXYZ or any uppercase letter specific to the current locale.

Parameters

  • ch - wide character @return Non-zero value if the wide character is an uppercase letter, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswupper

Returns

Non-zero value if the wide character is an uppercase letter, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswupper

See Also

  • https:en.cppreference.com/w/c/string/wide/iswupper
Publicfunction iswdigit
func iswdigit(ch : wint_t) : int
Checks if the given wide character corresponds (if narrowed) to one of the ten decimal digit characters 0123456789.

Parameters

  • ch - wide character @return Non-zero value if the wide character is a numeric character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswdigit

Returns

Non-zero value if the wide character is a numeric character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswdigit

See Also

  • https:en.cppreference.com/w/c/string/wide/iswdigit
Publicfunction iswxdigit
func iswxdigit(ch : wint_t) : int
Checks if the given wide character corresponds (if narrowed) to a hexadecimal numeric character, i.e. one of 0123456789abcdefABCDEF.

Parameters

  • ch - wide character @return Non-zero value if the wide character is a hexadecimal numeric character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswxdigit

Returns

Non-zero value if the wide character is a hexadecimal numeric character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswxdigit

See Also

  • https:en.cppreference.com/w/c/string/wide/iswxdigit
Publicfunction iswcntrl
func iswcntrl(ch : wint_t) : int
Checks if the given wide character is a control character, i.e. codes 0x00-0x1F and 0x7F and any control characters specific to the current locale.

Parameters

  • ch - wide character @return Non-zero value if the wide character is a control character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswcntrl

Returns

Non-zero value if the wide character is a control character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswcntrl

See Also

  • https:en.cppreference.com/w/c/string/wide/iswcntrl
Publicfunction iswgraph
func iswgraph(ch : wint_t) : int
Checks if the given wide character has a graphical representation, i.e. it is either a number (0123456789), an uppercase letter (ABCDEFGHIJKLMNOPQRSTUVWXYZ), a lowercase letter (abcdefghijklmnopqrstuvwxyz), a punctuation character (!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~) or any graphical character specific to the current C locale.

Parameters

  • ch - wide character @return Non-zero value if the wide character has a graphical representation character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswgraph

Returns

Non-zero value if the wide character has a graphical representation character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswgraph

See Also

  • https:en.cppreference.com/w/c/string/wide/iswgraph
Publicfunction iswspace
func iswspace(ch : wint_t) : int
Checks if the given wide character is a whitespace character, i.e. either space (0x20), form feed (0x0c), line feed (0x0a), carriage return (0x0d), horizontal tab (0x09), vertical tab (0x0b) or any whitespace character specific to the current locale.

Parameters

  • ch - wide character @return Non-zero value if the wide character is a whitespace character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswspace

Returns

Non-zero value if the wide character is a whitespace character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswspace

See Also

  • https:en.cppreference.com/w/c/string/wide/iswspace
Publicfunction iswblank
func iswblank(ch : wint_t) : int
Checks if the given wide character is classified as blank character (that is, a whitespace character used to separate words in a sentence) by the current C locale. In the default C locale, only space (0x20) and horizontal tab (0x09) are blank characters.

Parameters

  • ch - wide character @return Non-zero value if the wide character is a blank character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswblank

Returns

Non-zero value if the wide character is a blank character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswblank

See Also

  • https:en.cppreference.com/w/c/string/wide/iswblank
Publicfunction iswprint
func iswprint(ch : wint_t) : int
Checks if the given wide character can be printed, i.e. it is either a number (0123456789), an uppercase letter (ABCDEFGHIJKLMNOPQRSTUVWXYZ), a lowercase letter (abcdefghijklmnopqrstuvwxyz), a punctuation character (!"#$%&'()*+,-./:;<=>?@[\]^_`{!}~), space or any printable character specific to the current C locale.

Parameters

  • ch - wide character @return Non-zero value if the wide character can be printed, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswprint

Returns

Non-zero value if the wide character can be printed, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswprint

See Also

  • https:en.cppreference.com/w/c/string/wide/iswprint
Publicfunction iswpunct
func iswpunct(ch : wint_t) : int
Checks if the given wide character is a punctuation character, i.e. it is one of !"#$%&'()*+,-./:;<=>?@[\]^_`{|}~ or any punctuation character specific to the current locale.

Parameters

  • ch - wide character @return Non-zero value if the wide character is a punctuation character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswpunct

Returns

Non-zero value if the wide character is a punctuation character, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswpunct

See Also

  • https:en.cppreference.com/w/c/string/wide/iswpunct
Publicfunction iswctype
func iswctype(wc : wint_t, desc : wctype_t) : int
Classifies the wide character wc using the current C locale's LC_CTYPE category identified by desc.

Parameters

  • wc - the wide character to classify @param desc - the LC_CTYPE category, obtained from a call to wctype @return Non-zero if the character wc has the property identified by desc in LC_CTYPE facet of the current C locale, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswctype
  • desc - the LC_CTYPE category, obtained from a call to wctype @return Non-zero if the character wc has the property identified by desc in LC_CTYPE facet of the current C locale, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswctype

Returns

Non-zero if the character wc has the property identified by desc in LC_CTYPE facet of the current C locale, zero otherwise. @see https:en.cppreference.com/w/c/string/wide/iswctype

See Also

  • https:en.cppreference.com/w/c/string/wide/iswctype
Publicfunction wctype
func wctype(str : *char) : wctype_t
Constructs a value of type wctype_t that describes a LC_CTYPE category of wide character classification. It may be one of the standard classification categories, or a locale-specific category, such as "jkanji".

Parameters

  • str - C string holding the name of the desired category @return wctype_t object suitable for use with iswctype to classify wide characters according to the named category of the current C locale or zero if str does not name a category supported by the current C locale. @see https:en.cppreference.com/w/c/string/wide/wctype

Returns

wctype_t object suitable for use with iswctype to classify wide characters according to the named category of the current C locale or zero if str does not name a category supported by the current C locale. @see https:en.cppreference.com/w/c/string/wide/wctype

See Also

  • https:en.cppreference.com/w/c/string/wide/wctype
Publicfunction towlower
func towlower(wc : wint_t) : wint_t
Converts the given wide character to lowercase, if possible.

Parameters

  • wc - wide character to be converted @return Lowercase version of wc or unmodified wc if no lowercase version is listed in the current C locale. @see https:en.cppreference.com/w/c/string/wide/towlower

Returns

Lowercase version of wc or unmodified wc if no lowercase version is listed in the current C locale. @see https:en.cppreference.com/w/c/string/wide/towlower

See Also

  • https:en.cppreference.com/w/c/string/wide/towlower
Publicfunction towupper
func towupper(wc : wint_t) : wint_t
Converts the given wide character to uppercase, if possible.

Parameters

  • wc - wide character to be converted @return Uppercase version of wc or unmodified wc if no uppercase version is listed in the current C locale. @see https:en.cppreference.com/w/c/string/wide/towupper

Returns

Uppercase version of wc or unmodified wc if no uppercase version is listed in the current C locale. @see https:en.cppreference.com/w/c/string/wide/towupper

See Also

  • https:en.cppreference.com/w/c/string/wide/towupper
Publicfunction towctrans
func towctrans(wc : wint_t, desc : wctrans_t) : wint_t
Maps the wide character wc using the current C locale's LC_CTYPE mapping category identified by desc.

Parameters

  • wc - the wide character to map @param desc - the LC_CTYPE mapping, obtained from a call to wctrans @return The mapped value of wc using the mapping identified by desc in LC_CTYPE facet of the current C locale. @see https:en.cppreference.com/w/c/string/wide/towctrans
  • desc - the LC_CTYPE mapping, obtained from a call to wctrans @return The mapped value of wc using the mapping identified by desc in LC_CTYPE facet of the current C locale. @see https:en.cppreference.com/w/c/string/wide/towctrans

Returns

The mapped value of wc using the mapping identified by desc in LC_CTYPE facet of the current C locale. @see https:en.cppreference.com/w/c/string/wide/towctrans

See Also

  • https:en.cppreference.com/w/c/string/wide/towctrans
Publicfunction wctrans
func wctrans(str : *char) : wctrans_t
Constructs a value of type wctrans_t that describes a LC_CTYPE category of wide character mapping. It may be one of the standard mappings, or a locale-specific mapping, such as "tojhira" or "tojkata". The following values of str are supported in all C locales: Value of str Effect "toupper" identifies the mapping used by towupper "tolower" identifies the mapping used by towlower

Parameters

  • str - C string holding the name of the desired mapping. The following values of str are supported in all C locales: Value of str Effect "toupper" identifies the mapping used by towupper "tolower" identifies the mapping used by towlower @return wctrans_t object suitable for use with towctrans to map wide characters according to the named mapping of the current C locale or zero if str does not name a mapping supported by the current C locale. @see https:en.cppreference.com/w/c/string/wide/wctrans

Returns

wctrans_t object suitable for use with towctrans to map wide characters according to the named mapping of the current C locale or zero if str does not name a mapping supported by the current C locale. @see https:en.cppreference.com/w/c/string/wide/wctrans

See Also

  • https:en.cppreference.com/w/c/string/wide/wctrans