4.3BSD - /usr/src/usr.bin/struct/main.c

   1: #ifndef lint
   2: static char sccsid[] = "@(#)main.c	4.1	(Berkeley)	2/11/83";
   3: #endif not lint
   4: 
   5: #include <signal.h>
   6: #include <stdio.h>
   7: #include "1.defs.h"
   8: #include "def.h"
   9: 
  10: 
  11: char (*input)(), (*unput)();
  12: FILE *outfd = stdout;
  13: 
  14: 
  15: 
  16: main(argc,argv)
  17: int argc;
  18: char *argv[];
  19:     {
  20:     int anyoutput;
  21:     int dexit();
  22:     char *getargs();
  23:     char input1(), unput1(), input2(), unput2();
  24:     anyoutput = FALSE;
  25:     getargs(argc,argv);
  26:     if (debug == 2) debfd = stderr;
  27:     else if (debug)
  28:         debfd = fopen("debug1","w");
  29: 
  30:     if (signal(SIGINT, SIG_IGN) !=SIG_IGN)
  31:         signal(SIGINT,dexit);
  32:     prog_init();
  33: 
  34:     for (;;)
  35:         {
  36:         ++routnum;
  37:         routerr = 0;
  38: 
  39:         input = input1;
  40:         unput = unput1;
  41:         if (!mkgraph()) break;
  42:         if (debug) prgraph();
  43:         if (routerr) continue;
  44: 
  45:         if (progress)fprintf(stderr,"build:\n");
  46:         build();
  47:         if (debug) prtree();
  48:         if (routerr) continue;
  49: 
  50:         if (progress)fprintf(stderr,"structure:\n");
  51:         structure();
  52:         if (debug) prtree();
  53:         if (routerr) continue;
  54:         input = input2;
  55:         unput = unput2;
  56: 
  57:         if (progress)fprintf(stderr,"output:\n");
  58:         output();
  59:         if (routerr) continue;
  60:         anyoutput = TRUE;
  61:         freegraf();
  62:         }
  63:     if (anyoutput)
  64:         exit(0);
  65:     else
  66:         exit(1);
  67:     }
  68: 
  69: 
  70: dexit()
  71:     {
  72:     exit(1);
  73:     }

Defined functions

Defined variables