shell.h

利用Linux系统函数实现的SHELL程式

#ifndef SHELL_H_
#define SHELL_H_
#include <stdlib.h>
using namespace std;

#define MAX_ENVIRONMENT_LENGTH 512
#define MAX_COMMANDLINE_LENGTH 512
#define MID_OUTPRINT 32768
#define SHELL_NAME "quickshell"

bool initial(void);
bool reinitial(int tmpint_Argument,char *tmpchr_Argument);  //Relocate the working directory
bool reinitial(void);
void clrscr(void);
char *execute(char *tmpchr_CommandLine);
char *getArgument(char *tmpchr_CommandLine);
char *strmid(char *sourceChr,int from,int length);
char *ltrim(char *tmpchr);
char *rtrim(char *tmpchr);
char *ltrim(char *tmpchr,char tmpchr_Tokenizer);
char *rtrim(char *tmpchr,char tmpchr_Tokenizer);
char *trim(char *tmpchr);
char *trim(char *tmpchr,char tmpchr_Tokenizer);
//char trim(char*tmpchr_CommandLine);  //Eliminate space at head and end of input command line
#endif