ISCNTRL
Section: C Library Functions (3)
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BSD mandoc
NAME
iscntrl
- control character test
SYNOPSIS
Fd #include <ctype.h>
Ft int
Fn iscntrl int c
DESCRIPTION
The
Fn iscntrl
function tests for any control character.
RETURN VALUES
The
Fn iscntrl
macro returns zero if the character tests false and
returns non-zero if the character tests true.
SEE ALSO
isalnum(3),
isalpha(3),
isascii(3),
isblank(3),
isdigit(3),
isgraph(3),
islower(3),
isprint(3),
ispunct(3),
isspace(3),
isupper(3),
isxdigit(3),
toascii(3),
tolower(3),
toupper(3),
stdio(3),
ascii(7)
STANDARDS
The
Fn iscntrl
function conforms to
St -ansiC .
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUES
-
- SEE ALSO
-
- STANDARDS
-
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Time: 21:44:10 GMT, August 05, 2022