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Convert a wide character to uppercase
#include <wctype.h>
wint_t towupper( wint_t wc );
- wc
- The wide character that you want to convert.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The towupper() function converts wc to an uppercase letter
if wc represents a lowercase letter.
The corresponding uppercase letter when the argument is a lowercase letter; otherwise, the original wide character is returned.
ANSI,
POSIX 1003.1
Safety: | |
Cancellation point |
No |
Interrupt handler |
Yes |
Signal handler |
Yes |
Thread |
Yes |
iswalnum(),
iswalpha(),
iswcntrl(),
iswctype(),
iswdigit(),
iswgraph(),
iswlower(),
iswprint(),
iswpunct(),
iswspace(),
iswupper(),
iswxdigit(),
tolower(),
toupper()
towlower()
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