/* alias.h -- structure definitions. */ /* Copyright (C) 1987,1991 Free Software Foundation, Inc. This file is part of GNU Bash, the Bourne Again SHell. Bash is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 1, or (at your option) any later version. Bash is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Bash; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ #if !defined (_ALIAS_H_) #define _ALIAS_H_ #include "stdc.h" #include "hashlib.h" typedef struct alias { char *name; char *value; char flags; } alias_t; /* Values for `flags' member of struct alias. */ #define AL_EXPANDNEXT 0x1 #define AL_BEINGEXPANDED 0x2 /* The list of known aliases. */ extern HASH_TABLE *aliases; extern void initialize_aliases __P((void)); /* Scan the list of aliases looking for one with NAME. Return NULL if the alias doesn't exist, else a pointer to the alias. */ extern alias_t *find_alias __P((char *)); /* Return the value of the alias for NAME, or NULL if there is none. */ extern char *get_alias_value __P((char *)); /* Make a new alias from NAME and VALUE. If NAME can be found, then replace its value. */ extern void add_alias __P((char *, char *)); /* Remove the alias with name NAME from the alias list. Returns the index of the removed alias, or -1 if the alias didn't exist. */ extern int remove_alias __P((char *)); /* Remove all aliases. */ extern void delete_all_aliases __P((void)); /* Return an array of all defined aliases. */ extern alias_t **all_aliases __P((void)); /* Expand a single word for aliases. */ extern char *alias_expand_word __P((char *)); /* Return a new line, with any aliases expanded. */ extern char *alias_expand __P((char *)); #endif /* _ALIAS_H_ */