# 2.11BSD#431 - /usr/src/usr.bin/tbl/ti.c

##### Functions

    interh            X
    interv            X
    up1               X

       1: #ifndef lint
       2: static char sccsid[] = "@(#)ti.c	4.2 8/11/83";
       3: #endif
       4:
       5:  /* ti.c: classify line intersections */
       6: # include "t..c"
       7: /* determine local environment for intersections */
       8: interv(i,c)
       9: {
      10: int ku, kl;
      11: if (c>=ncol || c == 0)
      12:     {
      13:     if (dboxflg)
      14:         {
      15:         if (i==0) return(BOT);
      16:         if (i>=nlin) return(TOP);
      17:         return(THRU);
      18:         }
      19:     if (c>=ncol)
      20:         return(0);
      21:     }
      22: ku = i>0 ? lefdata(i-1,c) : 0;
      23: if (i+1 >= nlin)
      24:     kl=0;
      25: else
      26: kl = lefdata(allh(i) ? i+1 : i, c);
      27: if (ku==2 && kl==2) return(THRU);
      28: if (ku ==2) return(TOP);
      29: if (kl==BOT) return(2);
      30: return(0);
      31: }
      32: interh(i,c)
      33: {
      34: int kl, kr;
      35: if (fullbot[i]== '=' || (dboxflg && (i==0 || i>= nlin-1)))
      36:     {
      37:     if (c==ncol)
      38:         return(LEFT);
      39:     if (c==0)
      40:         return(RIGHT);
      41:     return(THRU);
      42:     }
      43: if (i>=nlin) return(0);
      44: kl = c>0 ? thish (i,c-1) : 0;
      45: if (kl<=1 && i>0 && allh(up1(i)))
      46:     kl = c>0 ? thish(up1(i),c-1) : 0;
      47: kr = thish(i,c);
      48: if (kr<=1 && i>0 && allh(up1(i)))
      49:     kr = c>0 ? thish(up1(i), c) : 0;
      50: if (kl== '=' && kr ==  '=') return(THRU);
      51: if (kl== '=') return(LEFT);
      52: if (kr== '=') return(RIGHT);
      53: return(0);
      54: }
      55: up1(i)
      56: {
      57: i--;
      58: while (instead[i] && i>0) i--;
      59: return(i);
      60: }

#### Defined functions

interh defined in line 32; used 4 times

- in /usr/src/usr.bin/tbl/tv.c line 36, 43, 74, 81

interv defined in line 8; used 4 times

- in /usr/src/usr.bin/tbl/tu.c line 70, 81, 91, 100

up1 defined in line 55; used 4 times

- in line 45-49(4)

#### Defined variables

sccsid defined in line 2; never used

Last modified: 1987-02-17 Generated: 2016-12-26 | Generated by src2html V0.67 page hit count: 881 |