int tolower(int);
int toupper(int);
-int isascii(int);
-int toascii(int);
-
-#define _tolower(a) ((a)|0x20)
-#define _toupper(a) ((a)&0x5f)
-
#define isalpha(a) ((unsigned)(((a)|32)-'a') < 26)
#define isdigit(a) ((unsigned)((a)-'0') < 10)
#define islower(a) ((unsigned)((a)-'a') < 26)
#define isprint(a) ((unsigned)((a)-0x20) < 0x5f)
#define isgraph(a) ((unsigned)((a)-0x21) < 0x5e)
-#if 1
+
+
+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
#define __NEED_locale_t
#include <bits/alltypes.h>
int isxdigit_l(int, locale_t);
int tolower_l(int, locale_t);
int toupper_l(int, locale_t);
+
+int isascii(int);
+int toascii(int);
+#define _tolower(a) ((a)|0x20)
+#define _toupper(a) ((a)&0x5f)
+
#endif
#endif