towupper()

Convert character to uppercase

Synopsis:

#include <wctype.h>

wint_t towupper( wint_t wc );

Library:

libc

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:

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

See also:

"Character manipulation functions" and "Wide-character functions" in Library Reference Summary