TOLOWER
Section: C Library Functions (3)
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BSD mandoc
NAME
tolower
- upper case to lower case letter conversion
SYNOPSIS
Fd #include <ctype.h>
Ft int
Fn tolower int c
DESCRIPTION
The
Fn tolower
function converts an upper-case letter to the corresponding lower-case
letter.
RETURN VALUES
If the argument is an upper-case letter, the
Fn tolower
function returns the corresponding lower-case letter if there is
one; otherwise the argument 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
Fn tolower
function conforms to
St -ansiC .
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUES
-
- SEE ALSO
-
- STANDARDS
-
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Time: 21:44:08 GMT, August 05, 2022