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tolower.0
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1996-09-02
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TOLOWER(3) UNIX Programmer's Manual TOLOWER(3)
NNAAMMEE
ttoolloowweerr - upper case to lower case letter conversion
SSYYNNOOPPSSIISS
##iinncclluuddee <<ccttyyppee..hh>>
_i_n_t
ttoolloowweerr(_i_n_t _c)
DDEESSCCRRIIPPTTIIOONN
The ttoolloowweerr() function converts an upper-case letter to the corresponding
lower-case letter.
RREETTUURRNN VVAALLUUEESS
If the argument is an upper-case letter, the ttoolloowweerr() function returns
the corresponding lower-case letter if there is one; otherwise the argu-
ment 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