diff options
Diffstat (limited to 'man3/iswupper.3')
| -rw-r--r-- | man3/iswupper.3 | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/man3/iswupper.3 b/man3/iswupper.3 index 64bc4f0..82ec81b 100644 --- a/man3/iswupper.3 +++ b/man3/iswupper.3 @@ -9,7 +9,7 @@ .\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html .\" ISO/IEC 9899:1999 .\" -.TH iswupper 3 2023-07-20 "Linux man-pages 6.05.01" +.TH iswupper 3 2023-10-31 "Linux man-pages 6.7" .SH NAME iswupper \- test for uppercase wide character .SH LIBRARY @@ -18,7 +18,7 @@ Standard C library .SH SYNOPSIS .nf .B #include <wctype.h> -.PP +.P .BI "int iswupper(wint_t " wc ); .fi .SH DESCRIPTION @@ -31,31 +31,31 @@ It tests whether .I wc is a wide character belonging to the wide-character class "upper". -.PP +.P The wide-character class "upper" is a subclass of the wide-character class "alpha", and therefore also a subclass of the wide-character class "alnum", of the wide-character class "graph" and of the wide-character class "print". -.PP +.P Being a subclass of the wide-character class "print", the wide-character class "upper" is disjoint from the wide-character class "cntrl". -.PP +.P Being a subclass of the wide-character class "graph", the wide-character class "upper" is disjoint from the wide-character class "space" and its subclass "blank". -.PP +.P Being a subclass of the wide-character class "alnum", the wide-character class "upper" is disjoint from the wide-character class "punct". -.PP +.P Being a subclass of the wide-character class "alpha", the wide-character class "upper" is disjoint from the wide-character class "digit". -.PP +.P The wide-character class "upper" contains at least those characters .I wc which are equal to .I towupper(wc) and different from .IR towlower(wc) . -.PP +.P The wide-character class "upper" always contains at least the letters \[aq]A\[aq] to \[aq]Z\[aq]. .SH RETURN VALUE @@ -80,7 +80,6 @@ T{ .BR iswupper () T} Thread safety MT-Safe locale .TE -.sp 1 .SH STANDARDS C11, POSIX.1-2008. .SH HISTORY @@ -92,7 +91,7 @@ depends on the .B LC_CTYPE category of the current locale. -.PP +.P This function is not very appropriate for dealing with Unicode characters, because Unicode knows about three cases: upper, lower, and title case. .SH SEE ALSO |