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toupper.0
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1992-08-10
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TOUPPER(3) UNIX Programmer's Manual TOUPPER(3)
NNAAMMEE
ttoouuppppeerr - lower case to upper case letter conversion
SSYYNNOOPPSSIISS
##iinncclluuddee <<ccttyyppee..hh>>
_i_n_t
ttoouuppppeerr(_i_n_t _c)
DDEESSCCRRIIPPTTIIOONN
The ttoouuppppeerr() function converts a lower¡case letter to the corresponding
upper¡case letter. If the argument is a lower¡case letter, the ttoouuppppeerr()
function returns the corresponding upper¡case letter if there is one;
otherwise the argument is returned unchanged.
SSEEEE AALLSSOO
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)
SSTTAANNDDAARRDDSS
The ttoolloowweerr() function conforms to ANSI C3.159¡1989 (``ANSI C'').
BSD Experimental June 29, 1991 1