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usr.lib/sendmail/include/useful.h

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+/*
+**  USEFUL.H -- Some useful stuff.
+**
+**	@(#)useful.h	1.1	94/10/31	SMI; from UCB 3.13 3/26/83
+*/
+
+# ifndef makedev
+# include <sys/types.h>
+# endif
+
+/* support for bool type */
+typedef char	bool;
+# define TRUE	1
+# define FALSE	0
+
+# ifndef NULL
+# define NULL	0
+# endif NULL
+
+/* bit hacking */
+# define bitset(bit, word)	(((word) & (bit)) != 0)
+
+/* some simple functions */
+# ifndef max
+# define max(a, b)	((a) > (b) ? (a) : (b))
+# define min(a, b)	((a) < (b) ? (a) : (b))
+# endif max
+
+/* assertions */
+# ifndef NASSERT
+# define ASSERT(expr, msg, parm)\
+	if (!(expr))\
+	{\
+		fprintf(stderr, "assertion botch: %s:%d: ", __FILE__, __LINE__);\
+		fprintf(stderr, msg, parm);\
+	}
+# else NASSERT
+# define ASSERT(expr, msg, parm)
+# endif NASSERT
+
+/* sccs id's */
+# ifndef lint
+# define SCCSID(arg)	static char SccsId[] = "arg";
+# else lint
+# define SCCSID(arg)
+# endif lint
+
+/* define the types of some common functions */
+extern char	*strcpy(), *strncpy();
+extern char	*strcat(), *strncat();
+extern char	*malloc();
+extern char	*index(), *rindex();
+extern int	errno;
+extern char	*sprintf();
+extern time_t	time();
+extern char	*ctime();
+# ifndef V6
+extern char	*getenv();
+# endif V6
+# ifndef VMUNIX
+typedef unsigned short	u_short;
+typedef long		u_long;
+typedef char		u_char;
+typedef int		void;
+# endif VMUNIX