请帮我运行下面的代码并把运行结果发给我328244117@qq.com谢谢了

123siyecao123

因为我的电脑LINUX出了问题，一时半会用不了，请大家帮帮忙
#include <unistd.h>
#include <stdio.h>
#include <sys/wait.h>


#define EOL 1
#define ARG 2
#define AMPERSAND 3
#define SEMICOLON 4


#define MAXARG 512#define MAXBUF 512
#define FOREGROUND 0#define BACKGROUND 1
#include "smallsh.h"
int userin(char *);
int gettok(char **);
int inarg(char);
int procline(void);
int runcommand(char **, int);


static char innpbuf[MAXBUF], tokbuf[2*MAXBUF], *ptr=inpbuf, *tok=tokbuf;char *prompt = "Command> ";
main()
{
while (userin(prompt) != EOF)
  procline();
}


int userin(char *p)
{
int c, count;


ptr = inpbuf; tok = tokbuf;
printf("%s ", p);  count = 0;
while(1) {
  if((c=getchar()) == EOF)
   return (EOF);
  if(count < MAXBUF )
   inpbuf[count++] = c;
  if(c=='\n' && count < MAXBUF) {
   inpbuf[count] = '\0';
   return count;
  }


  if(c=='\n')
   {
    printf("smallsh : input line too long \n";
    count = 0;
    printf("%s", p);
   }
}
}


int gettok(char **outptr)
{
int type;
*outptr = tok;
while(*ptr == ' ' || *ptr == '\t')
  ptr++;
*tok++ = *ptr;


switch(*ptr++){
  case '\n' : type = EOL;break;
  case '&'  : type = AMPERSAND;break;
  case ';'  : type = SEMICOLON;break;
  default   : type = ARG;


  while(inarg(*ptr))
   *tok++ = *ptr++;
}


*tok++ = '\0';
return type;
}


static char special[] = {' ', '\t', '&', ';', '\n', '\0'};
int inarg(char c)
{
char *wrk;
for(wrk = special; *wrk; wrk++){
  if(c == *wrk)
   return 0;
}


return 1;}
int procline(void)
{
char *arg[MAXARG+1];
int toktype;
int narg;
int type;


narg = 0;
for(;
{
  switch(toktype = gettok(&arg[narg]))
  {
  case ARG :
   if(narg < MAXARG)
    narg++;
   break;
  case EOL :
  case SEMICOLON :
  case AMPERSAND :
   if(toktype == AMPERSAND)
    type = BACKGROUND;
   else
    type = FOREGROUND;
   if(narg != 0){
    arg[narg] = NULL;
    runcommand(arg, type);
   }
   if(toktype == EOL)
    return 0;
   narg = 0;
   break;
  }
}
}


int runcommand(char **cline, int where)
{
_pid_t pid;
int status;


switch (pid = fork()){
case -1 :
  perror("smallsh";
  return (-1);
case 0  :
  execvp(*cline, cline);
  perror(*cline);
  exit(1);
}


if(where == BACKGROUND){
  printf("[Process id %d]\n", pid);[
  return 0;
}


if(waitpid(pid, &status, 0) == -1)
  return -1;
else
  return status;
}