Name | Synopsis | Description | Return Values | Errors | Attributes | See Also
#include <ctype.h> int _tolower(int c);
The _tolower() macro is equivalent to tolower(3C) except that the argument c must be an upper-case letter.
On successful completion, _tolower() returns the lower-case letter corresponding to the argument passed.
No errors are defined.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE |
ATTRIBUTE VALUE |
CSI |
Enabled |
Interface Stability |
Standard |
MT-Level |
MT-Safe |
Name | Synopsis | Description | Return Values | Errors | Attributes | See Also