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| author | ache <ache@FreeBSD.org> | 2000-03-28 11:36:31 +0000 |
|---|---|---|
| committer | ache <ache@FreeBSD.org> | 2000-03-28 11:36:31 +0000 |
| commit | 68cad6a3ea16260f64504618a039d82f59a2e758 (patch) | |
| tree | d03574a56cf99abdf7df704af4d8a6cfcb81996f /lib/libc/locale/toupper.3 | |
| parent | e3991c3acfdd37e221e19eeb7dac3709d7aa2f9d (diff) | |
| download | FreeBSD-src-68cad6a3ea16260f64504618a039d82f59a2e758.zip FreeBSD-src-68cad6a3ea16260f64504618a039d82f59a2e758.tar.gz | |
Describe valid argument domain for 8-bit wide locales to prevent common error
calling ctype functions with signed char as an argument.
Diffstat (limited to 'lib/libc/locale/toupper.3')
| -rw-r--r-- | lib/libc/locale/toupper.3 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/libc/locale/toupper.3 b/lib/libc/locale/toupper.3 index 33742da..28bc027 100644 --- a/lib/libc/locale/toupper.3 +++ b/lib/libc/locale/toupper.3 @@ -51,6 +51,8 @@ The .Fn toupper function converts a lower-case letter to the corresponding upper-case letter. +For 8-bit wide locales the value of the argument is +representable as an unsigned char or the value of EOF. .SH RETURN VALUES If the argument is a lower-case letter, the .Fn toupper |
