1 files changed, 70 insertions, 0 deletions
diff --git a/alias.h b/alias.h
new file mode 100644
index 0000000..4d0075f
--- /dev/null
+++ b/alias.h
@@ -0,0 +1,70 @@
+/* alias.h -- structure definitions. */
+
+/* Copyright (C) 1987-2009 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 3 of the License, 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.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#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_ */