const char *snl;
          extern int  rem(int p, int q);
          extern void readsymbol(int typeof_P, void  *p);
          extern real  float(int n);
          extern char * tostring(int p);
          extern char * substring(char *s, int f, int t);
          extern int  freespace();
          extern void svc(int n, struct (null) *r);
          extern int  addr(int typeof_P, void  *p);
          extern int  *integer(int n);
          extern short  *shortinteger(int n);
          extern char  *byteinteger(int n);
          extern char * *string(int n);
          extern struct (null) record ;
(/*should not get here any more*/          int n;
/*or here*/)
          extern real  *real(int n);
          extern long real  *longreal(int n);
          extern char  *length(char *s);
          extern char  *charno(char *s, int n);
          extern int  int(real x);
          extern int  intpt(real x);
          extern void iocp(int n);
          extern int  typeof(int typeof_N, void  *n);
          extern int  sizeof(int typeof_N, void  *n);
          extern real  fracpt(real x);
          extern void prompt(char *s);
          extern int  nextsymbol();
          extern void skipsymbol();
          extern void printsymbol(int sym);
          extern void printstring(char *s);
          extern void write(int v, int p);
          extern void selectinput(int n);
          extern void selectoutput(int n);
          extern void openinput(int n, char *fd);
          extern void openoutput(int n, char *fd);
          extern void closeinput();
          extern void closeoutput();
          extern void resetinput();
          extern void resetoutput();
          extern char * time();
          extern char * date();
          extern int  cputime();
          extern int  *comreg(int n);
          extern void read(int typeof_X, void  *x);
          extern void print(real val, int before, int after);
          extern void printfl(real val, int places);
          extern void space();
          extern void spaces(int n);
          extern void newline();
          extern void newlines(int n);
          typedef struct FILEFM{int unit; int owner; int n1; int n2;} filefm;
          typedef struct EVENTFM{int event; int sub; int extra; char *message; int pc; int x;} eventfm;
          extern struct EVENTFM event;
int main(int argc, char **argv) {
          int fred;
          printstring("hello");
          fred = 1;
          return(0);
}