_tolower(3C)
NAME
_tolower − transliterate upper-case characters to lower-case
SYNOPSIS
#include <ctype.h> int _tolower(int c);
DESCRIPTION
The _tolower() macro is equivalent to tolower(3C) except that the argument c must be an upper-case letter.
RETURN VALUES
On successful completion, _tolower() returns the lower-case letter corresponding to the argument passed.
ERRORS
No errors are defined.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| MT-Level | MT-Safe |
| CSI | Enabled |
SEE ALSO
isupper(3C), tolower(3C), attributes(5)
SunOS 5.6 — Last change: 20 Dec 1996