Indicates if a character is classed as a lowercase character in the
program's current locale.
Format
#include <ctype.h>
int islower (int character);
Argument
- character
- An object of type int. The value of character must be
representable as an unsigned char or must equal the value of the
macro EOF. If it has any other value, the behavior is undefined.
Return Values
| nonzero | If a lowercase alphabetic
character. |
| 0 | If not a
lowercase alphabetic character. |
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