towupper()

Convert a wide character to uppercase

Synopsis:

#include <wctype.h>

wint_t towupper( wint_t wc );

Arguments:

wc
The wide character that you want to convert.

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The towupper() function converts wc to an uppercase letter if wc represents a lowercase letter.

Returns:

The corresponding uppercase letter when the argument is a lowercase letter; otherwise, the original wide character is returned.

Classification:

ANSI, POSIX 1003.1

Safety:
Cancellation point No
Interrupt handler Yes
Signal handler Yes
Thread Yes