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tolower.0
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1993-12-07
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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 uppercase letter to the corresponding
lowercase letter.
RREETTUURRNN VVAALLUUEESS
If the argument is an uppercase letter, the ttoolloowweerr() function returns
the corresponding lowercase 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 C3.1591989 (``ANSI C'').
BSD Experimental June 29, 1991 1