Toupper - Texas Instruments TI-89 Developer's Manual

Appendix C: Macros — Character Classification / Conversion

toupper

Declaration: BYTE toupper (BYTE c )
Category(ies): Character Classification / Conversion
Description: Convert a character to upper-case if it was lower-case (including the
international alphabetic characters).
c
Inputs:
Outputs: Character converted to upper-case if it was lower-case otherwise the same
character is returned.
Assumptions: Access_AMS_Global_Variables is defined.
Side Effects: None
Availability: AMS 2.00 or above.
TI-89 / TI-92 Plus
Differences: None
See Also: islower
Example: See isalnum.
TI-89 / TI-92 Plus Developer Guide
— Character to convert.
Not for Distribution
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Beta Version January 26, 2001