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TOWUPPER (3) | C library functions | Unix Manual Pages | :man▋
NAME
towupper - "lower case to upper case letter conversion (wide character version)"
CONTENTS
Library Synopsis Description Return Values See Also Standards
LIBRARY
.Lb libc
SYNOPSIS
.In wctype.h wint_t towupper "wint_t wc"
DESCRIPTION
The towupper function converts a lower-case letter to the corresponding upper-case letter.
RETURN VALUES
If the argument is a lower-case letter, the towupper function returns the corresponding upper-case letter if there is one; otherwise the argument is returned unchanged.
SEE ALSO
iswupper(3), toupper(3), towlower(3), wctrans(3)
STANDARDS
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