2.9BSD - /usr/src/cmd/eqn/eqnbox.c

   1: # include "e.h"
   2: 
   3: eqnbox(p1, p2, lu) {
   4:     int b, h;
   5:     char *sh;
   6: 
   7:     yyval = p1;
   8:     b = max(ebase[p1], ebase[p2]);
   9:     eht[yyval] = h = b + max(eht[p1]-ebase[p1],
  10:         eht[p2]-ebase[p2]);
  11:     ebase[yyval] = b;
  12:     if(dbg)printf(".\te:eb: S%d <- S%d S%d; b=%d, h=%d\n",
  13:         yyval, p1, p2, b, h);
  14:     if (rfont[p1] == ITAL && lfont[p2] == ROM)
  15:         sh = "\\|";
  16:     else
  17:         sh = "";
  18:     if (lu) {
  19:         printf(".nr %d \\w'\\s%d\\*(%d%s'\n", p1, ps, p1, sh);
  20:         printf(".ds %d \\h'|\\n(97u-\\n(%du'\\*(%d\n", p1, p1, p1);
  21:     }
  22:     printf(".as %d \"%s\\*(%d\n", yyval, sh, p2);
  23:     rfont[p1] = rfont[p2];
  24:     ofree(p2);
  25: }

Defined functions