BSD 4_3 development

Work on file usr/include/ctype.h

Synthesized-from: CSRG/cd1/4.3

diff --git a/usr/include/ctype.h b/usr/include/ctype.h
new file mode 100644 (file)
index 0000000..83d853b
--- /dev/null
+++ b/usr/include/ctype.h
@@ -0,0 +1,28 @@
+/*     ctype.h 4.2     85/09/04        */
+
+#define        _U      01
+#define        _L      02
+#define        _N      04
+#define        _S      010
+#define _P     020
+#define _C     040
+#define _X     0100
+#define        _B      0200
+
+extern char    _ctype_[];
+
+#define        isalpha(c)      ((_ctype_+1)[c]&(_U|_L))
+#define        isupper(c)      ((_ctype_+1)[c]&_U)
+#define        islower(c)      ((_ctype_+1)[c]&_L)
+#define        isdigit(c)      ((_ctype_+1)[c]&_N)
+#define        isxdigit(c)     ((_ctype_+1)[c]&(_N|_X))
+#define        isspace(c)      ((_ctype_+1)[c]&_S)
+#define ispunct(c)     ((_ctype_+1)[c]&_P)
+#define isalnum(c)     ((_ctype_+1)[c]&(_U|_L|_N))
+#define isprint(c)     ((_ctype_+1)[c]&(_P|_U|_L|_N|_B))
+#define isgraph(c)     ((_ctype_+1)[c]&(_P|_U|_L|_N))
+#define iscntrl(c)     ((_ctype_+1)[c]&_C)
+#define isascii(c)     ((unsigned)(c)<=0177)
+#define toupper(c)     ((c)-'a'+'A')
+#define tolower(c)     ((c)-'A'+'a')
+#define toascii(c)     ((c)&0177)