std::toupper

 

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isalnum isalpha islower isupper isdigit isxdigit isblank (C++11)	iscntrl isgraph isspace isprint ispunct tolower toupper
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Defined in header <cctype>
int toupper( int ch );

Converts the given character to uppercase.

Parameters

ch

-

character to be converted

Return value

Converted character or ch if no such conversion was possible

See also

tolower	converts a character to lowercase (function)
toupper(std::locale)	converts a character to uppercase using the ctype facet of a locale (function template)
towupper	converts a wide character to uppercase (function)
C documentation for toupper