#include <ctype.h>
int islower (char c);
- DESCRIPTION
-
The islower function tests c to determine if it is a lowercase alphabetic character (
'a'-'z'
). - RETURN VALUE
-
The islower function returns a value of 1 if c is a lowercase letter and a value of 0 if it is not.
- SEE ALSO
-
isalnum, isalpha, iscntrl, isdigit, isgraph, isprint, ispunct, isspace, isupper, isxdigit
- EXAMPLE
link:src/islower.c[role=include]
- OUTPUT
$ gcc -Wall islower.c $ ./a.out islower (_) NO islower (`) NO islower (a) YES islower (b) YES