diff options
Diffstat (limited to 'lib/libc/locale/toupper.3')
| -rw-r--r-- | lib/libc/locale/toupper.3 | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/lib/libc/locale/toupper.3 b/lib/libc/locale/toupper.3 index 64834ab..f32f1a6 100644 --- a/lib/libc/locale/toupper.3 +++ b/lib/libc/locale/toupper.3 @@ -53,22 +53,20 @@ 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 +For single C +.Va char Ns s +locales (see +.Xr multibyte 3 ) +the value of the argument is +representable as an +.Li unsigned char +or the value of +.Dv EOF . +.Sh RETURN VALUES If the argument is a lower-case letter, the .Fn toupper function returns the corresponding upper-case letter if there is one; otherwise the argument is returned unchanged. -.\" In the -.\" .Em ``C'' -.\" locale, -.\" .Fn toupper -.\" maps only the characters for which -.\" .Xr islower -.\" is true to the corresponding characters for which -.\" .Xr isupper -.\" is true. .Sh SEE ALSO .Xr isalnum 3 , .Xr isalpha 3 , @@ -82,6 +80,7 @@ one; otherwise the argument is returned unchanged. .Xr isspace 3 , .Xr isupper 3 , .Xr isxdigit 3 , +.Xr multibyte 3 , .Xr stdio 3 , .Xr toascii 3 , .Xr tolower 3 , |
