| Alexander Gutkin | 439f3d1 | 2014-02-28 11:33:45 +0000 | [diff] [blame] | 1 | .deEX |
| 2 | .ift .ft5 |
| 3 | .nf |
| 4 | .. |
| 5 | .deEE |
| 6 | .ft1 |
| 7 | .fi |
| 8 | .. |
| 9 | .TH ISALPHARUNE 3 |
| 10 | .SH NAME |
| 11 | isalpharune, islowerrune, isspacerune, istitlerune, isupperrune, tolowerrune, totitlerune, toupperrune \- Unicode character classes and cases |
| 12 | .SH SYNOPSIS |
| 13 | .B #include <utf.h> |
| 14 | .PP |
| 15 | .B |
| 16 | int isalpharune(Rune c) |
| 17 | .PP |
| 18 | .B |
| 19 | int islowerrune(Rune c) |
| 20 | .PP |
| 21 | .B |
| 22 | int isspacerune(Rune c) |
| 23 | .PP |
| 24 | .B |
| 25 | int istitlerune(Rune c) |
| 26 | .PP |
| 27 | .B |
| 28 | int isupperrune(Rune c) |
| 29 | .PP |
| 30 | .B |
| 31 | Rune tolowerrune(Rune c) |
| 32 | .PP |
| 33 | .B |
| 34 | Rune totitlerune(Rune c) |
| 35 | .PP |
| 36 | .B |
| 37 | Rune toupperrune(Rune c) |
| 38 | .SH DESCRIPTION |
| 39 | These routines examine and operate on Unicode characters, |
| 40 | in particular a subset of their properties as defined in the Unicode standard. |
| 41 | Unicode defines some characters as alphabetic and specifies three cases: |
| 42 | upper, lower, and title. |
| 43 | Analogously to |
| 44 | .IR isalpha (3) |
| 45 | for |
| 46 | .SM ASCII\c |
| 47 | , |
| 48 | these routines |
| 49 | test types and modify cases for Unicode characters. |
| 50 | The names are self-explanatory. |
| 51 | .PP |
| 52 | The case-conversion routines return the character unchanged if it has no case. |
| 53 | .SH SOURCE |
| 54 | .B http://swtch.com/plan9port/unix |
| 55 | .SH "SEE ALSO |
| 56 | .IR isalpha (3) , |
| 57 | .IR "The Unicode Standard" . |