2.9BSD - /usr/src/cmd/calendar.c

   1: /* /usr/lib/calendar produces an egrep -f file
   2:    that will select today's and tomorrow's
   3:    calendar entries, with special weekend provisions
   4: 
   5:    used by calendar command
   6: */
   7: #include <time.h>
   8: 
   9: #define DAY (3600*24L)
  10: 
  11: char *month[] = {
  12:     "[Jj]an",
  13:     "[Ff]eb",
  14:     "[Mm]ar",
  15:     "[Aa]pr",
  16:     "[Mm]ay",
  17:     "[Jj]un",
  18:     "[Jj]ul",
  19:     "[Aa]ug",
  20:     "[Ss]ep",
  21:     "[Oo]ct",
  22:     "[Nn]ov",
  23:     "[Dd]ec"
  24: };
  25: struct tm *localtime();
  26: 
  27: tprint(t)
  28: long t;
  29: {
  30:     struct tm *tm;
  31:     tm = localtime(&t);
  32:     printf("(^|[ (,;])((%s[^ ]* *|%d/)0*%d)([^0123456789]|$)\n",
  33:         month[tm->tm_mon], tm->tm_mon + 1, tm->tm_mday);
  34: }
  35: 
  36: main()
  37: {
  38:     long t;
  39:     time(&t);
  40:     tprint(t);
  41:     switch(localtime(&t)->tm_wday) {
  42:     case 5:
  43:         t += DAY;
  44:         tprint(t);
  45:     case 6:
  46:         t += DAY;
  47:         tprint(t);
  48:     default:
  49:         t += DAY;
  50:         tprint(t);
  51:     }
  52: }

Defined functions

Defined variables

Defined macros