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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 lowercase letter to the corresponding
uppercase letter. If the argument is a lowercase letter, the ttoouuppppeerr()
function returns the corresponding uppercase 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 C3.1591989 (``ANSI C'').
BSD Experimental June 29, 1991 1