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Diffstat (limited to 'unix/man/isalpharune.3')
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diff --git a/unix/man/isalpharune.3 b/unix/man/isalpharune.3 new file mode 100644 index 00000000..ecad654c --- /dev/null +++ b/unix/man/isalpharune.3 @@ -0,0 +1,49 @@ +.TH ISALPHARUNE 3 +.SH NAME +isalpharune, islowerrune, isspacerune, istitlerune, isupperrune, tolowerrune, totitlerune, toupperrune \- Unicode character classes and cases +.SH SYNOPSIS +.B #include <utf.h> +.PP +.B +int isalpharune(Rune c) +.PP +.B +int islowerrune(Rune c) +.PP +.B +int isspacerune(Rune c) +.PP +.B +int istitlerune(Rune c) +.PP +.B +int isupperrune(Rune c) +.PP +.B +Rune tolowerrune(Rune c) +.PP +.B +Rune totitlerune(Rune c) +.PP +.B +Rune toupperrune(Rune c) +.SH DESCRIPTION +These routines examine and operate on Unicode characters, +in particular a subset of their properties as defined in the Unicode standard. +Unicode defines some characters as alphabetic and specifies three cases: +upper, lower, and title. +Analogously to +.IR isalpha (3) +for +.SM ASCII\c +, +these routines +test types and modify cases for Unicode characters. +The names are self-explanatory. +.PP +The case-conversion routines return the character unchanged if it has no case. +.SH SOURCE +.B http://swtch.com/plan9port/unix +.SH "SEE ALSO +.IR isalpha (3) , +.IR "The Unicode Standard" . |