_tolower(3C) Standard C Library Functions _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 argu‐
ment c must be an upper-case letter.
RETURN VALUES
On successful completion, _tolower() returns the lower-case letter cor‐
responding to the argument passed.
ERRORS
No errors are defined.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│CSI │Enabled │
├─────────────────────────────┼─────────────────────────────┤
│Interface Stability │Standard │
├─────────────────────────────┼─────────────────────────────┤
│MT-Level │MT-Safe │
└─────────────────────────────┴─────────────────────────────┘
SEE ALSOisupper(3C), tolower(3C), attributes(5), standards(5)SunOS 5.10 24 Jul 2002 _tolower(3C)