#include <ctype.h>
int isxdigit(char c);
- DESCRIPTION
-
The isxdigit function tests c to determine if it is a hexadecimal digit (
'A'-'Z', 'a'-'z', '0'-'9'
). - RETURN VALUE
-
The isxdigit function returns a value of 1 if c is a hexadecimal digit and a value of 0 if it is not.
- SEE ALSO
-
isalnum, isalpha, iscntrl, isdigit, isgraph, islower, isprint, ispunct, isspace, isupper
- EXAMPLE
link:src/isxdigit.c[role=include]
- OUTPUT
$ gcc -Wall isxdigit.c $ ./a.out isxdigit (e) YES isxdigit (f) YES isxdigit (g) NO isxdigit (h) NO