HelpPC 2.10	Quick Reference Utility	Copyright 1991 David Jurgens
int _toupper( int c )        - prototype in ctype.h        - converts c to UPPER case only if c is  LOWER case        - use toupper() preferentially
Esc or Alt-X to exit	_toupper	Home/PgUp/PgDn/End ←↑↓→

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