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- #pragma once
-
- #define CMDLINE_MAX_SIZE 1024 /* max length of a single command line */
- #define ARGS_MAX_QUANTITY 128 /* max args on a command line */
- #define BUFFER_MAX_SIZE 64 /* max size of a buffer which contains parsed arguments */
- #define CMDLINE_DIV ' \t\r\n\a'
- #define CMDLINE_HISTORY_MAX_QUANTITY 256
- #define JOBS_MAX_QUANTITY 16
- #define PATH_MAX_SIZE 256
- #define LS_BUF_SIZE 1024
- #define REDIRECT_FILENAME_MAX_SIZE 64 /* redirection filename */
- #define REDIRECT_ARG_MAX_SIZE 16 /* redirection argument */
-
- #define REDIRECT_NO 0 /* no redirection */
- #define REDIRECT_OUT 1 /* redirect output */
- #define REDIRECT_IN 2 /* redirect input */
-
- /* readline - Get the command line */
- char *readline();
-
- /* parseline - Evaluate the command line that the user has just typed in */
- int parseline(char *cmdline, char **args);
-
- /* check_redirect - check if the command contains redirection */
- int check_redirect(char **args, char *redirect_filename, char **redirect_args);
-
- /* do_redirect - execute redirection command */
- int do_redirect(int redirect_flag, char *redirect_filename, char **redirect_args);
-
- /* check_redirect - check if the command contains pipe */
- int check_pipe(char **args, char **pipe_arg_1, char **pipe_arg_2);
-
- /* do_pipe - execute pipe command */
- int do_pipe(char **pipe_arg_1, char **pipe_arg_2);
-
- /* do_bgfg - fork and execute background/foreground tasks */
- int do_bg_fg(char **args, int bg);
-
- /* execute - Execute the command line */
- int execute(char *cmdline, char **args);
-
- /* builtin functions - Handle built-in command */
- int built_in(char **args);
- int builtin_cd(char **args);
- int builtin_history(char **args);
- int builtin_mytop();
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