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-rw-r--r--include/ctype.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/include/ctype.h b/include/ctype.h
new file mode 100644
index 00000000..02f81fa7
--- /dev/null
+++ b/include/ctype.h
@@ -0,0 +1,53 @@
+#ifndef _CTYPE_H
+#define _CTYPE_H
+
+int isalnum(int);
+int isalpha(int);
+int isblank(int);
+int iscntrl(int);
+int isdigit(int);
+int isgraph(int);
+int islower(int);
+int isprint(int);
+int ispunct(int);
+int isspace(int);
+int isupper(int);
+int isxdigit(int);
+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 isupper(a) ((unsigned)((a)-'A') < 26)
+#define isprint(a) ((unsigned)((a)-0x20) < 0x5f)
+#define isgraph(a) ((unsigned)((a)-0x21) < 0x5e)
+
+#if 1
+
+#define __NEED_locale_t
+#include <bits/alltypes.h>
+
+int isalnum_l(int, locale_t);
+int isalpha_l(int, locale_t);
+int isblank_l(int, locale_t);
+int iscntrl_l(int, locale_t);
+int isdigit_l(int, locale_t);
+int isgraph_l(int, locale_t);
+int islower_l(int, locale_t);
+int isprint_l(int, locale_t);
+int ispunct_l(int, locale_t);
+int isspace_l(int, locale_t);
+int isupper_l(int, locale_t);
+int isxdigit_l(int, locale_t);
+int tolower_l(int, locale_t);
+int toupper_l(int, locale_t);
+#endif
+
+#endif