This documentation is copyright © 1998-2001 Sandro Sigala <sandro@sigala.it>.
All rights reserved.

Released under the GNU General Public License.

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towupper

Prototype

#include <wctype.h>

int toupper(int c);

Description

Returns the uppercase character corresponding to the character c, if the value of islower with the argument c is true, otherwise returns the c argument unchanged.

References

ISO C 9899:1990 XXX