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/*
* esh, the Unix shell with Lisp-like syntax.
* Copyright (C) 1999 Ivan Tkatchev
* This source code is under the GPL.
*/
extern int interactive;
extern int exception_flag;
extern int stderr_handler_fd;
extern hash_table* aliases;
extern hash_table* defines;
extern hash_table* builtins;
extern list* jobs;
extern list* prompt;
extern list* stack;
extern list* ls_true;
extern list* ls_false;
extern list* ls_stdio;
extern list* ls_stderr;
extern list* ls_void;
extern char** environ;
extern char* syntax_blank;
extern char* dynamic_strcpy(char* chr);
extern char* file_read(int fd);
extern void file_write(int fd, char* data);
extern char next_token(char* input, int* i, char** value, int* len);
extern list* parse_builtin(char* input, int* len, int liter, int delay);
extern list* parse_split(char* input);
extern pid_t do_pipe(int f_src, int f_out, list* ls, int bg, int destruc);
extern list* do_builtin(list* ls);
extern void do_file(char* file, int do_error);
extern void ls_print(list* ls);
extern char* ls_strcat(list* ls);
extern void job_foreground(job_t* job);
extern void job_background(job_t* job);
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