28 lines
565 B
Groff
28 lines
565 B
Groff
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NAME
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toupper - convert to upper case
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SYNTAX
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#include <ctype.h>
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int toupper( c )
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int c;
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int _toupper( c )
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int c;
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DESCRIPTION
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These routines convert lower case ASCII characters
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into upper case characters. Toupper(3) may be called
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with any ASCII value from 0 to 127, if <c> is not a
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lower case character then it is returned unchanged.
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_toupper(3) is a macro which can only be used if <c>
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is a lower case character.
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RESULTS
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Argument converted to upper case.
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SEE ALSO
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ctype(3), toascii(3), tolower(3)
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