buildin.h

Linux下写一个命令解释程序,实现了基本的功能.

/* This file defines the interface for the build-in functions. */

#if! defined (__BUILDIN_H_)
#define __BUILDIN_H_

extern int __cd(const char *path_name);

extern void __copy(const char *dest, const char *source);

extern int __del(const char *file_name);

extern int __dir(const char *path_name);

extern int __find(const char *path_name, const char *file_name);

extern int __md(const char *dir_name);

extern int __more(int fd);

extern char * __pwd(void);

extern char * __time(const char *format);

extern int __ren(const char *old_name, const char *new_name);

#endif /* __BUILDIN_H_ */