4.3BSD - /usr/src/usr.bin/refer/hunt3.c

   1: #ifndef lint
   2: static char *sccsid = "@(#)hunt3.c	4.2 (Berkeley) 6/28/83";
   3: #endif
   4: 
   5: #include "refer..c"
   6: #define BSIZ 250
   7: 
   8: getq(v)
   9: char *v[];
  10: {
  11:     static char buff[BSIZ];
  12:     static int eof = 0;
  13:     extern char *sinput;
  14:     char *p;
  15:     int c, n = 0, las = 0;
  16:     if (eof) return(-1);
  17:     p = buff;
  18:     while ( (c = (sinput ? *sinput++ : getchar()) ) > 0)
  19:     {
  20:         if (c== '\n')
  21:             break;
  22:         if (isalpha(c) || isdigit(c))
  23:         {
  24:             if (las==0)
  25:             {
  26:                 v[n++] = p;
  27:                 las=1;
  28:             }
  29:             if (las++ <= 6)
  30:                 *p++ = c;
  31:         }
  32:         else
  33:         {
  34:             if (las>0)
  35:                 *p++ = 0;
  36:             las=0;
  37:         }
  38:     }
  39:     *p=0;
  40:     if (p > buff + BSIZ)
  41:         fprintf(stderr, "query long than %d characters\n", BSIZ);
  42:     assert(p < buff + BSIZ);
  43:     if (sinput==0 && c<= 0) eof=1;
  44: # if D1
  45:     fprintf(stderr, "no. keys %d\n",n);
  46:     for(c=0; c<n; c++)
  47:         fprintf(stderr, "keys X%sX\n", v[c]);
  48: # endif
  49:     return(n);
  50: }

Defined functions

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Defined macros