toupper man page on BSDi

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TOUPPER(3)		    BSD Programmer's Manual		    TOUPPER(3)

NAME
     toupper - lower case to upper case letter conversion

SYNOPSIS
     #include <ctype.h>

     int
     toupper(int c);

DESCRIPTION
     The toupper() function converts a lower-case letter to the corresponding
     upper-case letter.

RETURN VALUES
     If the argument is a lower-case letter, the toupper() function returns
     the corresponding upper-case letter if there is one; otherwise the argu-
     ment is returned unchanged.

SEE ALSO
     isascii(3),  isalnum(3),  isalpha(3),  iscntrl(3),	 isdigit(3),
     isgraph(3),  islower(3),  isprint(3),  ispunct(3),	 isspace(3),
     isupper(3),  isxdigit(3),	toascii(3),  toupper(3),  stdio(3) ascii(7)

STANDARDS
     The toupper() function conforms to ANSI C X3.159-1989 (``ANSI C '').

BSDI BSD/OS			 June 29, 1991				     1
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