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Diff for /OpenXM/src/kxx/ox_texmacs.c between version 1.8 and 1.28

version 1.8, 2004/03/02 09:30:48 version 1.28, 2006/02/02 07:07:22
Line 1 
Line 1 
 /* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.7 2004/03/02 09:10:04 takayama Exp $ */  /* $OpenXM: OpenXM/src/kxx/ox_texmacs.c,v 1.27 2006/02/01 04:16:54 takayama Exp $ */
   
 #include <stdio.h>  #include <stdio.h>
   #include <stdlib.h>
   #include <string.h>
 #include <setjmp.h>  #include <setjmp.h>
 #include <signal.h>  #include <signal.h>
 #include "ox_kan.h"  #include "ox_kan.h"
Line 21 
Line 23 
 */  */
 /* #define DEBUG2 */  /* #define DEBUG2 */
   
 #ifdef DEBUG  /* Type of View part (user interface engine) */
 #define DATA_BEGIN_V  "<S type=verbatim>"     /* "\002verbatim:" */  #define  GENERIC      0   /* DEBUG, xml */
 #define DATA_BEGIN_L  "<S type=latex>"        /* "\002latex:" */  #define  V_TEXMACS    1
 #define DATA_BEGIN_P  "<S type=prompt>"        /* "\002channel:prompt " */  #define  V_CFEP       2
 #define DATA_END      "</S>"    /* "\005" */  int View       = V_TEXMACS ;
 #else  
 #define DATA_BEGIN_V  "\002verbatim:"  
 #define DATA_BEGIN_L  "\002latex:"  
 #define DATA_BEGIN_P  "\002prompt:"  
 #define DATA_END      "\005"  
 #endif  
   
 /*  char *Data_begin_v[] = {
 #define END_OF_INPUT  '#'    "<S type=verbatim>",
 */    "\002verbatim:",
 #define END_OF_INPUT '\n'    "\002",
   };
   char *Data_begin_l[] = {
     "<S type=latex>",
     "\002latex:",
     "\002latex:"
   };
   char *Data_begin_p[] = {
     "<S type=prompt>",
     "\002prompt:",
     "\002prompt:"
   };
   char *Data_begin_ps[] = {
     "<S type=postscript>",
     "\002ps:",
     "\002ps:"
   };
   char *Data_end[] = {
     "</S>",
     "\005",
     "\n\005"    /* \n is not a part of the protocol. */
   };
   
   /* todo:  start_of_input */
   
   char End_of_input[] = {
     0x5,              /* Use ^E and Return to end the input. */
     '\n',  /* TEXMACS_END_OF_INPUT. 0xd should be used for multiple lines. */
     0x5    /* CFEP_END_OF_INPUT    */
   };
   
 /* Table for the engine type. */  /* Table for the engine type. */
 #define ASIR          1  #define ASIR          1
 #define SM1           2  #define SM1           2
Line 45 
Line 70 
   
 extern int Quiet;  extern int Quiet;
 extern JMP_BUF EnvOfStackMachine;  extern JMP_BUF EnvOfStackMachine;
   extern int Calling_ctrlC_hook;
   extern int RestrictedMode, RestrictedMode_saved;
 int Format=1;  /* 1 : latex mode */  int Format=1;  /* 1 : latex mode */
 int OutputLimit_for_TeXmacs = (1024*10);  int OutputLimit_for_TeXmacs = (1024*10);
   
   
 int TM_Engine  = ASIR ;  int TM_Engine  = ASIR ;
 int TM_asirStarted = 0;  int TM_asirStarted = 0;
 int TM_sm1Started  = 0;  int TM_sm1Started  = 0;
 int TM_k0Started  = 0;  int TM_k0Started  = 0;
 int TM_do_not_print = 0;  int TM_do_not_print = 0;
   
   int Xm_noX = 0;
   int NoCopyright = 0;
   int Cpp = 0;                 /* Use cpp before sending to the engine. */
   int EngineLogToStdout = 0;   /* Do not run the ox engine inside xterm. */
   
 void ctrlC();  void ctrlC();
 struct object KpoString(char *s);  struct object KpoString(char *s);
 char *KSpopString(void);  char *KSpopString(void);
Line 62  static char *readString(FILE *fp,char *prolog, char *e
Line 95  static char *readString(FILE *fp,char *prolog, char *e
 static void printv(char *s);  static void printv(char *s);
 static void printl(char *s);  static void printl(char *s);
 static void printp(char *s);  static void printp(char *s);
   static void printps(char *s);
 static void printCopyright(char *s);  static void printCopyright(char *s);
 static int startEngine(int type,char *msg);  static int startEngine(int type,char *msg);
   static int isPS(char *s);
   static int end_of_input(int c);
   static void setDefaultParameterForCfep();
   
   static void myEncoder(int c);
   static void myEncoderS(unsigned char *s);
   static void myEncoderSn(unsigned char *s,int n);
   static void outputStringToTunnel0(int channel, unsigned char *s, int size, int view);
   static void outputStringToTunnel(int channel, unsigned char *s,  int view);
   
 /* tail -f /tmp/debug-texmacs.txt  /* tail -f /tmp/debug-texmacs.txt
    Debug output to understand the timing problem of pipe interface.     Debug output to understand the timing problem of pipe interface.
 */  */
 FILE *Dfp;  FILE *Dfp;
   
 main() {  main(int argc,char *argv[]) {
   char *s;    char *s;
   char *r;    char *r;
   char *sys;    char *sys;
   struct object ob;    struct object ob = OINIT;
   int irt=0;    int irt=0;
   int vmode=1;    int vmode=1;
   char *openxm_home;    char *openxm_home;
   char *asir_config;    char *asir_config;
     int i;
   
   openxm_home = (char *) getenv("OpenXM_HOME");  
   asir_config = (char *) getenv("ASIR_CONFIG");  
   if (openxm_home == NULL || asir_config == NULL) {  
     printv("The environmental variables OpenXM_HOME/ASIR_CONFIG are not set.\nStart the texmacs with openxm texmacs or ox_texmacs by openxm ox_texmacs\nBye...");  
     exit(10);  
   }  
   
   
 #ifdef DEBUG2  #ifdef DEBUG2
Line 93  main() {
Line 131  main() {
 #endif  #endif
   
   /* Set consts */    /* Set consts */
   sys = "asir> ";  
   Quiet = 1;    Quiet = 1;
     for (i=1; i<argc; i++) {
       if (strcmp(argv[i],"--view") == 0) {
         i++;
         if (strcmp(argv[i],"texmacs") == 0) {
           View = V_TEXMACS;
         }else if (strcmp(argv[i],"cfep")==0) {
           View = V_CFEP; setDefaultParameterForCfep();
         }else{
           View = GENERIC;
           /* printv("Unknown view type.\n"); */
         }
       } else if (strcmp(argv[i],"--sm1") == 0) {
         TM_Engine = SM1;
       }else if (strcmp(argv[i],"--asir") == 0) {
         TM_Engine = ASIR;
       }else if (strcmp(argv[i],"--k0") == 0) {
         TM_Engine = K0;
       }else if (strcmp(argv[i],"--outputLimit") == 0) {
         i++;
         sscanf(argv[i],"%d",&OutputLimit_for_TeXmacs);
       }else if (strcmp(argv[i],"--noLogWindow") == 0) {
         Xm_noX = 1;
       }else if (strcmp(argv[i],"--noCopyright") == 0) {
         NoCopyright = 1;
       }else if (strcmp(argv[i],"--cpp") == 0) {
         Cpp = 1;
       }else if (strcmp(argv[i],"--engineLogToStdout") == 0) {
         EngineLogToStdout = 1;
       }else{
         /* printv("Unknown option\n"); */
       }
     }
   
     openxm_home = (char *) getenv("OpenXM_HOME");
     asir_config = (char *) getenv("ASIR_CONFIG");
     if (openxm_home == NULL)  {
       printv("Error. The environmental variable OpenXM_HOME is not set.\nStart the texmacs with openxm texmacs or ox_texmacs by openxm ox_texmacs\nBye...");
       exit(10);
     }
   
   /* Initialize kanlib (gc is also initialized) */    /* Initialize kanlib (gc is also initialized) */
   KSstart();    KSstart();
   
   /* Main loop */    /* Main loop */
   printf("%s",DATA_BEGIN_V);    printf("%s",Data_begin_v[View]);
     if ((asir_config == NULL) && (View == V_TEXMACS)) {
       printf("Warning. The environmental variable ASIR_CONFIG is not set.\nStart the texmacs with openxm texmacs or ox_texmacs by openxm ox_texmacs.\nOtherwise, tex translation will not be performed\n");
   
     }
   
   printCopyright("");    printCopyright("");
   
   
   /* Load ox engine here */    /* Load ox engine here */
   /* engine id should be set to ox.engine */    /* engine id should be set to ox.engine */
   KSexecuteString(" [(parse) (ox.sm1) pushfile] extension ");    KSexecuteString(" [(parse) (ox.sm1) pushfile] extension ");
     if (Xm_noX) KSexecuteString(" /Xm_noX 1 def ");
     if (EngineLogToStdout) KSexecuteString(" /Xm_engineLogToStdout 1 def ");
   startEngine(TM_Engine," ");    startEngine(TM_Engine," ");
   
   if (signal(SIGINT,SIG_IGN) != SIG_IGN) {    if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
Line 116  main() {
Line 200  main() {
   while(1) {    while(1) {
     /* printp(sys);  no prompt */      /* printp(sys);  no prompt */
     if (SETJMP(EnvOfStackMachine)) {      if (SETJMP(EnvOfStackMachine)) {
       KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */        if (!Calling_ctrlC_hook) {
           Calling_ctrlC_hook = 1; RestrictedMode = 0;
           KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
           RestrictedMode = RestrictedMode_saved;
         }
         Calling_ctrlC_hook = 0;
       if (signal(SIGINT,SIG_IGN) != SIG_IGN) {        if (signal(SIGINT,SIG_IGN) != SIG_IGN) {
         signal(SIGINT,ctrlC);          signal(SIGINT,ctrlC);
       }        }
Line 124  main() {
Line 213  main() {
       continue;        continue;
     } else {  }      } else {  }
     if (!irt) {      if (!irt) {
       printf("%s",DATA_END); fflush(stdout);        printf("%s",Data_end[View]); fflush(stdout);
     }      }
     irt = 0;      irt = 0;
   
Line 138  main() {
Line 227  main() {
     }      }
   
     if (s == NULL) { irt = 1; continue; }      if (s == NULL) { irt = 1; continue; }
     if (!irt) printf("%s",DATA_BEGIN_V);      if (!irt) printf("%s",Data_begin_v[View]);
     /* Evaluate the input on the engine */      /* Evaluate the input on the engine */
       KSexecuteString(" ox.engine oxclearstack ");
     KSexecuteString(" ox.engine ");      KSexecuteString(" ox.engine ");
     ob = KpoString(s);      ob = KpoString(s);
     KSpush(ob);      KSpush(ob);
     KSexecuteString(" oxsubmit ");      KSexecuteString(" oxsubmit ");
   
     /* Get the result in string. */      /* Get the result in string for cfep. */
       if (View != V_TEXMACS) {
         KSexecuteString(" ox.engine oxgeterrors ");
         ob = KSpop();
         if (ob.tag == Sarray) {
           if (getoaSize(ob) > 0) {
             ob = getoa(ob,0);
             KSpush(ob);
             KSexecuteString(" translateErrorForCfep ");
             r = KSpopString();
             outputStringToTunnel(0,(unsigned char *)r,View);
           }
         }
         if (!TM_do_not_print) {
           KSexecuteString(" ox.engine oxpopstring ");
           r = KSpopString();
           printv(r);
         }else{
           KSexecuteString(" ox.engine 1 oxpops ");
           KSexecuteString(" ox.engine 0 oxpushcmo ox.engine oxpopcmo ");
           ob = KSpop();
           printv("");
         }
         continue;
       }
       /* Get the result in string for texmacs  */
     if (Format == 1 && (! TM_do_not_print)) {      if (Format == 1 && (! TM_do_not_print)) {
       /* translate to latex form */        /* translate to latex form */
       KSexecuteString(" ox.engine oxpushcmotag ox.engine oxpopcmo ");        KSexecuteString(" ox.engine oxpushcmotag ox.engine oxpopcmo ");
Line 170  main() {
Line 285  main() {
         KSexecuteString(" ox.engine oxpopstring ");          KSexecuteString(" ox.engine oxpopstring ");
         r = KSpopString();          r = KSpopString();
       }        }
       if (strlen(r) < OutputLimit_for_TeXmacs) {        if (isPS(r)) {
         if (vmode) printv(r); else printl(r);          printps(r);
       } else printv("Output is too large.\n");        }else{
           if (vmode) printv(r);
           else{
             if (strlen(r) < OutputLimit_for_TeXmacs) {
               printl(r);
             } else printv("Output is too large.\n");
           }
         }
     }else{      }else{
       if (!TM_do_not_print) {        if (!TM_do_not_print) {
         KSexecuteString(" ox.engine oxpopstring ");          KSexecuteString(" ox.engine oxpopstring ");
         r = KSpopString();          r = KSpopString();
         if (strlen(r) < OutputLimit_for_TeXmacs) printv(r);          printv(r);
         else printv("Output is too large.\n");  
       }else{        }else{
         KSexecuteString(" ox.engine 1 oxpops "); /* Discard the result. */          KSexecuteString(" ox.engine 1 oxpops "); /* Discard the result. */
           /* Push and pop dummy data to wait until the computation finishes. */
           KSexecuteString(" ox.engine 0 oxpushcmo ox.engine oxpopcmo ");
           ob = KSpop();
         printv("");          printv("");
       }        }
     }      }
       /* note that there is continue above. */
   }    }
 }  }
   
Line 208  static char *readString(FILE *fp, char *prolog, char *
Line 333  static char *readString(FILE *fp, char *prolog, char *
   int i;    int i;
   int m;    int m;
   int start;    int start;
     struct object ob = OINIT;
   if (limit == 0) {    if (limit == 0) {
     limit = 1024;      limit = 1024;
     s = (char *)sGC_malloc(limit);      s = (char *)sGC_malloc(limit);
Line 226  static char *readString(FILE *fp, char *prolog, char *
Line 352  static char *readString(FILE *fp, char *prolog, char *
 #ifdef DEBUG2  #ifdef DEBUG2
     fprintf(Dfp,"[%x] ",c); fflush(Dfp);      fprintf(Dfp,"[%x] ",c); fflush(Dfp);
 #endif  #endif
     if (c == END_OF_INPUT) {      if (end_of_input(c)) {
         /* If there remains data in the stream,
            read the remaining data. (for debug) */
             /*
       if (oxSocketSelect0(0,1)) {        if (oxSocketSelect0(0,1)) {
         /* If there remains data in the stream,  
            read the remaining data. */  
         if (c == '\n') c=' ';          if (c == '\n') c=' ';
         s[n++] = c; s[n] = 0;  m++;          s[n++] = c; s[n] = 0;  m++;
         INC_BUF ;          INC_BUF ;
         continue;          continue;
       }        }
         */
       break;        break;
     }      }
     if (c == '\n') c=' ';      if ( c == '\v') c=' ';
     s[n++] = c; s[n] = 0;  m++;      s[n++] = c; s[n] = 0;  m++;
     INC_BUF ;      INC_BUF ;
   }    }
   if (s[n-1] == '$' && TM_Engine == ASIR) TM_do_not_print = 1;  
   else TM_do_not_print = 0;  
   /* Check the escape sequence */    /* Check the escape sequence */
   if (strcmp(&(s[start]),"!quit;") == 0) {    if (strcmp(&(s[start]),"!quit;") == 0) {
     printv("Terminated the process ox_texmacs.\n");      printv("Terminated the process ox_texmacs.\n");
     exit(0);      exit(0);
   }    }
   /* Check the escape sequence to change the globa env. */    /* Check the escape sequence to change the global env. */
   if (strcmp(&(s[start]),"!verbatim;") == 0) {    if (strcmp(&(s[start]),"!verbatim;") == 0) {
     printv("Output mode is changed to verbatim mode.");      printv("Output mode is changed to verbatim mode.");
     Format=0;      Format=0;
Line 274  static char *readString(FILE *fp, char *prolog, char *
Line 400  static char *readString(FILE *fp, char *prolog, char *
     TM_Engine=K0; startEngine(TM_Engine,"k0");      TM_Engine=K0; startEngine(TM_Engine,"k0");
     return NULL;      return NULL;
   }    }
     if (strcmp(&(s[start]),"!reset;") == 0) {
           printf("%s",Data_begin_v[View]);
       KSexecuteString(" ox.engine oxreset ox.engine oxpopcmo ");
           ob = KSpop();
           printf("%s",Data_end[View]); fflush(stdout);
       return NULL;
     }
   
     /* Set TM_do_no_print */
     if (s[n-1] == '$' && TM_Engine == ASIR) {
           TM_do_not_print = 1; s[n-1] = ' ';
     } else if (s[n-1] == ';' && TM_Engine == SM1) {
           TM_do_not_print = 1; s[n-1] = ' ';
     } else TM_do_not_print = 0;
   
   for (i=0; i < strlen(epilog); i++) {    for (i=0; i < strlen(epilog); i++) {
     s[n++] = epilog[i];  s[n] = 0;      s[n++] = epilog[i];  s[n] = 0;
     INC_BUF ;      INC_BUF ;
Line 282  static char *readString(FILE *fp, char *prolog, char *
Line 422  static char *readString(FILE *fp, char *prolog, char *
   return s;    return s;
 }  }
   
   static int end_of_input(int c) {
     if (c == End_of_input[View]) return 1;
     else return 0;
   }
   
   static void setDefaultParameterForCfep() {
     Format = 0;
   }
   
 static void printv(char *s) {  static void printv(char *s) {
   int i;    int i;
   printf("%s",DATA_BEGIN_V);    printf("%s",Data_begin_v[View]);
   printf("%s",s);    printf("%s",s);
   printf("%s",DATA_END);    printf("%s",Data_end[View]);
 #ifdef DEBUG2  #ifdef DEBUG2
   fprintf(Dfp,"<%s>",s); fflush(Dfp);    fprintf(Dfp,"<%s>",s); fflush(Dfp);
 #endif  #endif
   fflush(NULL);    fflush(NULL);
 }  }
 static void printl(char *s) {  static void printl(char *s) {
   printf("%s",DATA_BEGIN_L);    printf("%s",Data_begin_l[View]);
   printf(" $ %s $ ",s);    printf(" $ %s $ ",s);
   printf("%s",DATA_END);    printf("%s",Data_end[View]);
   fflush(NULL);    fflush(NULL);
 }  }
   static int isPS(char *s) {
     if (s[0] != '%') return 0;
     if (s[1] != '%') return 0;
     if (s[2] != '!') return 0;
     if (s[3] != 'P') return 0;
     if (s[4] != 'S') return 0;
     return 1;
   }
   static void printps(char *s) {
     printf("%s",Data_begin_ps[View]);
     printf("%s",s);
     printf("%s",Data_end[View]);
     fflush(NULL);
   }
 static void printp(char *s) {  static void printp(char *s) {
   printf("%s",DATA_BEGIN_P);    printf("%s",Data_begin_p[View]);
   printf("%s",DATA_END);    printf("%s",Data_end[View]);
   printf("%s] ",s);    printf("%s] ",s);
   fflush(NULL);    fflush(NULL);
 }  }
 static void printCopyright(char *s) {  static void printCopyright(char *s) {
   printf("%s",DATA_BEGIN_V);    printf("%s",Data_begin_v[View]);
   printf("OpenXM engine (ox engine) interface for TeXmacs\n2004 (C) openxm.org");    if (! NoCopyright) {
   printf(" under the BSD licence.  !asir; !sm1; !k0; !verbatim;");      printf("OpenXM engine (ox engine) interface with TeXmacs protocol.\n2004 (C) openxm.org");
   printf("%s",s);      printf(" under the BSD license.  !asir; !sm1; !k0; !verbatim; !quit;\n");
   printf("%s",DATA_END);      printf("Type in      !reset;     when the engine gets confused. ");
       printf("%s",s);
     }
     printf("%s",Data_end[View]);
   fflush(NULL);    fflush(NULL);
 }  }
   
 static int startEngine(int type,char *msg) {  static int startEngine(int type,char *msg) {
   struct object ob;    struct object ob = OINIT;
   printf("%s",DATA_BEGIN_V);    printf("%s",Data_begin_v[View]);
   if (type == SM1) {    if (type == SM1) {
     if (!TM_sm1Started) KSexecuteString(" sm1connectr ");      if (!TM_sm1Started) KSexecuteString(" sm1connectr ");
     KSexecuteString(" /ox.engine oxsm1.ccc def ");      KSexecuteString(" /ox.engine oxsm1.ccc def ");
       /* Initialize the setting of sm1. */
       KSexecuteString("  oxsm1.ccc ( [(cmoLispLike) 0] extension ) oxsubmit ");
       KSexecuteString("  oxsm1.ccc ( ox_server_mode ) oxsubmit ");
       KSexecuteString("  oxsm1.ccc ( ( ) message (------------- Message from sm1 ----------------)message ) oxsubmit ");
     TM_sm1Started = 1;      TM_sm1Started = 1;
           /* Welcome message.  BUG. Copyright should be returned by a function. */
       if (! NoCopyright) {
         printf("Kan/StackMachine1                         1991 April --- 2004.\n");
         printf("This software may be freely distributed as is with no warranty expressed. \n");
         printf("See OpenXM/Copyright/Copyright.generic\n");
         printf("Info: http://www.math.kobe-u.ac.jp/KAN, kan@math.kobe-u.ac.jp.\n");
         printf("0 usages to show a list of functions. \n(keyword) usages to see a short description\n");
       }
     printf("%s\n",msg);      printf("%s\n",msg);
   }else if (type == K0) {    }else if (type == K0) {
     if (!TM_k0Started) KSexecuteString(" k0connectr ");      if (!TM_k0Started) KSexecuteString(" k0connectr ");
Line 331  static int startEngine(int type,char *msg) {
Line 509  static int startEngine(int type,char *msg) {
     KSexecuteString(" /ox.engine oxasir.ccc def ");      KSexecuteString(" /ox.engine oxasir.ccc def ");
     TM_asirStarted = 1;      TM_asirStarted = 1;
     printf("%s\n",msg);      printf("%s\n",msg);
     KSexecuteString(" oxasir.ccc (copyright()+asir_contrib_copyright();) oxsubmit oxasir.ccc oxpopstring ");      if ((!NoCopyright) && ((char *)getenv("ASIR_CONFIG") != NULL)) {
     ob = KSpop();        KSexecuteString(" oxasir.ccc (copyright()+asir_contrib_copyright();) oxsubmit oxasir.ccc oxpopstring ");
     if (ob.tag == Sdollar) {        ob = KSpop();
       printf("%s",ob.lc.str);        if (ob.tag == Sdollar) {
           printf("%s",ob.lc.str);
         }
       }else if ((!NoCopyright) && ((char *)getenv("ASIR_CONFIG") == NULL)) {
         KSexecuteString(" oxasir.ccc (copyright();) oxsubmit oxasir.ccc oxpopstring ");
         ob = KSpop();
         if (ob.tag == Sdollar) {
           printf("%s",ob.lc.str);
         }
     }      }
     /* Initialize the setting of asir. */      /* Initialize the setting of asir. */
     KSexecuteString(" oxasir.ccc (if(1) {  Xm_server_mode = 1; Xm_helpdir = \"help-eg\";  } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");      KSexecuteString(" oxasir.ccc (if(1) {  Xm_server_mode = 1; Xm_helpdir = \"help-eg\";  } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
     KSexecuteString(" oxasir.ccc (if(1) {  ctrl(\"message\",0);  } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");      KSexecuteString(" oxasir.ccc (if(1) {  ctrl(\"message\",0);  } else { ; } ;) oxsubmit oxasir.ccc oxpopcmo ");
     /* bug; if ctrl is written with Xm_helpdir = ... without oxpopcmo, then it does      /* bug; if ctrl is written with Xm_helpdir = ... without oxpopcmo, then it does
        not work. */         not work. */
       KSexecuteString(" oxasir.ccc (print(\"----------- Messages from asir ------------------------------\")$ ) oxsubmit oxasir.ccc oxpopcmo ");
   }    }
   printf("%s",DATA_END);    printf("%s",Data_end[View]);
   fflush(NULL);    fflush(NULL);
 }  }
   
Line 359  static int startEngine(int type,char *msg) {
Line 546  static int startEngine(int type,char *msg) {
 4.  print("hello"); shift+return print("afo");  4.  print("hello"); shift+return print("afo");
   
 */  */
   
   static void myEncoder(int c) {
     putchar(0xf8 | (0x3 & (c >> 6)));
     putchar(0xf0 | (0x7 & (c >> 3)));
     putchar(0xf0 | (0x7 & c));
   }
   static void myEncoderS(unsigned char *s) {
     int i,n;
     n = strlen(s);
     for (i = 0; i<n ; i++) myEncoder(s[i]);
   }
   static void myEncoderSn(unsigned char *s,int n) {
     int i;
     for (i = 0; i<n ; i++) myEncoder(s[i]);
   }
   static void outputStringToTunnel0(int channel, unsigned char *s, int n,int view) {
     unsigned char ts[128];
     int i;
     if (view == GENERIC) {
       printf("{%d<%d ",channel,n+1);
       for (i=0; i<n; i++) putchar(s[i]);
       printf("%c>}",0);
     }else if (view == V_CFEP) {
       sprintf(ts,"{%d<%d ",channel,n+1);
       myEncoderS(ts);
       myEncoderSn(s,n); myEncoder(0);
       myEncoderS(">}");
     }
     fflush(stdout);
   }
   #define LINE_FEED 0xc   /* ^L */
   static void outputStringToTunnel(int channel, unsigned char *s, int view) {
     int start, i;
     start = i = 0;
     while (s[i] != 0) {
           if (s[i] == LINE_FEED) {
             outputStringToTunnel0(channel,&(s[start]),i-start,view);
             start = i+1;
           }
           i++;
     }
   }
   
   
   
   
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