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Annotation of 43BSD/usr.lib/sendmail/include/useful.h, revision 1.1.1.1

1.1       root        1: /*
                      2: **  USEFUL.H -- Some useful stuff.
                      3: **
                      4: **     @(#)useful.h    4.1             7/25/83
                      5: */
                      6: 
                      7: # ifndef makedev
                      8: # include <sys/types.h>
                      9: # endif
                     10: 
                     11: /* support for bool type */
                     12: typedef char   bool;
                     13: # define TRUE  1
                     14: # define FALSE 0
                     15: 
                     16: # ifndef NULL
                     17: # define NULL  0
                     18: # endif NULL
                     19: 
                     20: /* bit hacking */
                     21: # define bitset(bit, word)     (((word) & (bit)) != 0)
                     22: 
                     23: /* some simple functions */
                     24: # ifndef max
                     25: # define max(a, b)     ((a) > (b) ? (a) : (b))
                     26: # define min(a, b)     ((a) < (b) ? (a) : (b))
                     27: # endif max
                     28: 
                     29: /* assertions */
                     30: # ifndef NASSERT
                     31: # define ASSERT(expr, msg, parm)\
                     32:        if (!(expr))\
                     33:        {\
                     34:                fprintf(stderr, "assertion botch: %s:%d: ", __FILE__, __LINE__);\
                     35:                fprintf(stderr, msg, parm);\
                     36:        }
                     37: # else NASSERT
                     38: # define ASSERT(expr, msg, parm)
                     39: # endif NASSERT
                     40: 
                     41: /* sccs id's */
                     42: # ifndef lint
                     43: # define SCCSID(arg)   static char SccsId[] = "arg";
                     44: # else lint
                     45: # define SCCSID(arg)
                     46: # endif lint
                     47: 
                     48: /* define the types of some common functions */
                     49: extern char    *strcpy(), *strncpy();
                     50: extern char    *strcat(), *strncat();
                     51: extern char    *malloc();
                     52: extern char    *index(), *rindex();
                     53: extern int     errno;
                     54: extern char    *sprintf();
                     55: extern time_t  time();
                     56: extern char    *ctime();
                     57: # ifndef V6
                     58: extern char    *getenv();
                     59: # endif V6
                     60: # ifndef VMUNIX
                     61: typedef unsigned short u_short;
                     62: typedef long           u_long;
                     63: typedef char           u_char;
                     64: typedef int            void;
                     65: # endif VMUNIX

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