45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
/* alias.h -- structure definitions. */
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#ifndef _ALIAS_
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#define _ALIAS_
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#ifndef whitespace
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#define whitespace(c) (((c) == ' ') || ((c) == '\t'))
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#endif
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#ifndef savestring
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#define savestring(x) (char *)strcpy (xmalloc (1 + strlen (x)), (x))
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#endif
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typedef struct {
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char *name;
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char *value;
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} ASSOC;
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#ifndef NULL
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#define NULL 0x0
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#endif
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/* The list of known aliases. */
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extern ASSOC **aliases;
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/* Scan the list of aliases looking for one with NAME. Return NULL
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if the alias doesn't exist, else a pointer to the assoc. */
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extern ASSOC *find_alias ();
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/* Return the value of the alias for NAME, or NULL if there is none. */
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extern char *get_alias_value ();
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/* Make a new alias from NAME and VALUE. If NAME can be found,
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then replace its value. */
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extern void add_alias ();
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/* Remove the alias with name NAME from the alias list. Returns
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the index of the removed alias, or -1 if the alias didn't exist. */
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extern int remove_alias ();
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/* Return a new line, with any aliases substituted. */
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extern char *alias_substitute ();
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#endif /* _ALIAS_ */
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