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Tcl_UniCharIsAlpha(3) Tcl Library Procedures Tcl_UniCharIsAlpha(3)
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NAME
Tcl_UniCharIsAlnum, Tcl_UniCharIsAlpha, Tcl_UniCharIsControl, Tcl_UniCharIsDigit,
Tcl_UniCharIsGraph, Tcl_UniCharIsLower, Tcl_UniCharIsPrint, Tcl_UniCharIsPunct,
Tcl_UniCharIsSpace, Tcl_UniCharIsUpper, Tcl_UniCharIsWordChar - routines for classifica-
tion of Tcl_UniChar characters
SYNOPSIS
#include <tcl.h>
int
Tcl_UniCharIsAlnum(ch)
int
Tcl_UniCharIsAlpha(ch)
int
Tcl_UniCharIsControl(ch)
int
Tcl_UniCharIsDigit(ch)
int
Tcl_UniCharIsGraph(ch)
int
Tcl_UniCharIsLower(ch)
int
Tcl_UniCharIsPrint(ch)
int
Tcl_UniCharIsPunct(ch)
int
Tcl_UniCharIsSpace(ch)
int
Tcl_UniCharIsUpper(ch)
int
Tcl_UniCharIsWordChar(ch)
ARGUMENTS
int ch (in) The Tcl_UniChar to be examined.
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DESCRIPTION
All of the routines described examine Tcl_UniChars and return a boolean value. A non-zero
return value means that the character does belong to the character class associated with
the called routine. The rest of this document just describes the character classes associ-
ated with the various routines.
Note: A Tcl_UniChar is a Unicode character represented as an unsigned, fixed-size quan-
tity.
CHARACTER CLASSES
Tcl_UniCharIsAlnum tests if the character is an alphanumeric Unicode character.
Tcl_UniCharIsAlpha tests if the character is an alphabetic Unicode character.
Tcl_UniCharIsControl tests if the character is a Unicode control character.
Tcl_UniCharIsDigit tests if the character is a numeric Unicode character.
Tcl_UniCharIsGraph tests if the character is any Unicode print character except space.
Tcl_UniCharIsLower tests if the character is a lowercase Unicode character.
Tcl_UniCharIsPrint tests if the character is a Unicode print character.
Tcl_UniCharIsPunct tests if the character is a Unicode punctuation character.
Tcl_UniCharIsSpace tests if the character is a whitespace Unicode character.
Tcl_UniCharIsUpper tests if the character is an uppercase Unicode character.
Tcl_UniCharIsWordChar tests if the character is alphanumeric or a connector punctuation
mark.
KEYWORDS
unicode, classification
Tcl 8.1 Tcl_UniCharIsAlpha(3) |
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