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Convert a wide character to uppercase
#include <wctype.h> wint_t towupper( wint_t wc );
- The wide character that you want to convert.
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.