#define CONF_ALPHA_NUMERIC_PUNCT (CONF_ALPHA|CONF_NUMBER|CONF_UNDER| \
CONF_PUNCTUATION)
-#define KEYTYPES(c) ((unsigned short *)((c)->meth_data))
+#define KEYTYPES(c) ((const unsigned short *)((c)->meth_data))
#ifndef CHARSET_EBCDIC
#define IS_COMMENT(c,a) (KEYTYPES(c)[(a)&0xff]&CONF_COMMENT)
#define IS_FCOMMENT(c,a) (KEYTYPES(c)[(a)&0xff]&CONF_FCOMMENT)
#define IS_HIGHBIT(c,a) (KEYTYPES(c)[os_toascii[a]&0xff]&CONF_HIGHBIT)
#endif /*CHARSET_EBCDIC*/
-static unsigned short CONF_type_default[256]={
+static const unsigned short CONF_type_default[256]={
0x0008,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0010,0x0010,0x0000,0x0000,0x0010,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x1000,0x1000,0x1000,0x1000,0x1000,0x1000,0x1000,0x1000,
};
-static unsigned short CONF_type_win32[256]={
+static const unsigned short CONF_type_win32[256]={
0x0008,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0010,0x0010,0x0000,0x0000,0x0010,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,