isalpharune man page on Plan9

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ISALPHARUNE(2)							ISALPHARUNE(2)

NAME
       isalpharune,  isbaserune,  islowerrune, isspacerune, istitlerune, isup‐
       perrune, isdigitrune, tobaserune, tolowerrune, totitlerune, toupperrune
       - Unicode character classes and cases

SYNOPSIS
       #include <u.h>
       #include <libc.h>

       int isalpharune(Rune c)

       int isbaserune(Rune c)

       int islowerrune(Rune c)

       int isspacerune(Rune c)

       int istitlerune(Rune c)

       int isupperrune(Rune c)

       int isdigitrune(Rune c)

       Rune tobaserune(Rune c)

       Rune tolowerrune(Rune c)

       Rune totitlerune(Rune c)

       Rune toupperrune(Rune c)

DESCRIPTION
       These routines examine and operate on Unicode characters, in particular
       a subset of their properties as defined in the Unicode standard.	  Uni‐
       code  defines  some characters as alphabetic and specifies three cases:
       upper, lower, and title.	 Analogously to ctype(2) for ASCII, these rou‐
       tines  test  types  and modify cases for Unicode characters.  The names
       are self-explanatory.

       The case-conversion routines return the character unchanged if  it  has
       no case.

SOURCE
       /sys/src/libc/port/runetype.c

SEE ALSO
       ctype(2), The Unicode Standard.

								ISALPHARUNE(2)
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