man pages section 3: Basic Library Functions

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Updated: July 2014
 
 

_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
CSI
Enabled
Interface Stability
Standard
MT-Level
MT-Safe

See Also

isupper(3C), tolower(3C), attributes(5), standards(5)