initial import of NetBSD tree

1 files changed, 81 insertions, 0 deletions

diff --git a/gnu/usr.bin/dc/dc.h b/gnu/usr.bin/dc/dc.h
new file mode 100644
index 00000000000..7193aea8967
--- /dev/null
+++ b/gnu/usr.bin/dc/dc.h
@@ -0,0 +1,81 @@
+/* 
+ * Header file for dc routines
+ *
+ * Copyright (C) 1994 Free Software Foundation, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you can either send email to this
+ * program's author (see below) or write to: The Free Software Foundation,
+ * Inc.; 675 Mass Ave. Cambridge, MA 02139, USA.
+ */
+
+#ifndef DC_DEFS_H
+#define DC_DEFS_H
+
+/* 'I' is a command, and bases 17 and 18 are quite
+ * unusual, so we limit ourselves to bases 2 to 16
+ */
+#define DC_IBASE_MAX	16
+
+#define DC_SUCCESS		0
+#define DC_DOMAIN_ERROR	1
+#define DC_FAIL			2	/* generic failure */
+
+
+#ifndef __STDC__
+# define DC_PROTO(x)			()
+# define DC_DECLVOID()			()
+# define DC_DECLARG(arglist)	arglist
+# define DC_DECLSEP				;
+# define DC_DECLEND				;
+#else /* __STDC__ */
+# define DC_PROTO(x)			x
+# define DC_DECLVOID()			(void)
+# define DC_DECLARG(arglist)	(
+# define DC_DECLSEP				,
+# define DC_DECLEND				)
+#endif /* __STDC__ */
+
+
+typedef enum {DC_FALSE, DC_TRUE} dc_boolean;
+
+
+/* type discriminant for dc_data */
+typedef enum {DC_UNINITIALIZED, DC_NUMBER, DC_STRING} dc_value_type;
+
+/* generic pointer for information hiding */
+typedef void *Opaque;
+
+/* only dc-math.c knows what dc_num's *really* look like */
+typedef Opaque dc_num;
+
+/* only dc-string.c knows what dc_str's *really* look like */
+typedef Opaque dc_str;
+
+
+/* except for the two implementation-specific modules, all
+ * dc functions only know of this one generic type of object
+ */
+typedef struct {
+	dc_value_type dc_type;	/* discriminant for union */
+	union {
+		dc_num number;
+		dc_str string;
+	} v;
+} dc_data;
+
+
+/* This is dc's only global variable: */
+extern const char *progname;	/* basename of program invocation */
+
+#endif /* not DC_DEFS_H */