2.9BSD - /usr/src/cmd/refer/util/hunt3.c

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

Defined functions

Defined macros