+static String *
+StringNew (void);
+
+static void
+StringAdd (String *s, char c);
+
+static void
+StringAddString (String *s, char *buf);
+
+static String *
+StringMake (char *buf);
+
+static void
+StringDel (String *s);
+
+static void
+StringPut (FILE *f, String *s);
+
+static void
+StringDispose (String *s);
+
+typedef struct {
+ String *tag;
+ String *text;
+} Replace;
+
+static Replace *
+ReplaceNew (void);
+
+static void
+ReplaceDispose (Replace *r);
+
+static void
+Bail (const char *format, int line, const char *arg);
+
+static Replace *
+ReplaceRead (FILE *f, int *linep);
+
+typedef struct _replaceList {
+ struct _replaceList *next;
+ Replace *r;
+} ReplaceList;
+
+static ReplaceList *
+ReplaceListNew (Replace *r, ReplaceList *next);
+
+static void
+ReplaceListDispose (ReplaceList *l);
+
+typedef struct {
+ ReplaceList *head;
+} ReplaceSet;
+
+static ReplaceSet *
+ReplaceSetNew (void);
+
+static void
+ReplaceSetDispose (ReplaceSet *s);
+
+static void
+ReplaceSetAdd (ReplaceSet *s, Replace *r);
+
+static Replace *
+ReplaceSetFind (ReplaceSet *s, char *tag);
+
+static ReplaceSet *
+ReplaceSetRead (FILE *f, int *linep);
+
+typedef struct _skipStack {
+ struct _skipStack *prev;
+ int skipping;
+} SkipStack;
+
+static SkipStack *
+SkipStackPush (SkipStack *prev, int skipping);
+
+static SkipStack *
+SkipStackPop (SkipStack *prev);
+
+typedef struct _loopStack {
+ struct _loopStack *prev;
+ String *tag;
+ String *extra;
+ long pos;
+} LoopStack;
+
+static LoopStack *
+LoopStackPush (LoopStack *prev, FILE *f, char *tag);
+
+static LoopStack *
+LoopStackLoop (ReplaceSet *rs, LoopStack *ls, FILE *f);
+
+static void
+LineSkip (FILE *f, int *linep);
+
+static void
+DoReplace (FILE *f, int *linep, ReplaceSet *s);
+