#include "puttymem.h"
+#ifndef FALSE
+#define FALSE 0
+#endif
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+char *dupstr(char *s);
+char *dupcat(char *s1, ...);
+
+struct bufchain_granule;
+typedef struct bufchain_tag {
+ struct bufchain_granule *head, *tail;
+ int buffersize; /* current amount of buffered data */
+} bufchain;
+
+void bufchain_init(bufchain *ch);
+void bufchain_clear(bufchain *ch);
+int bufchain_size(bufchain *ch);
+void bufchain_add(bufchain *ch, void *data, int len);
+void bufchain_prefix(bufchain *ch, void **data, int *len);
+void bufchain_consume(bufchain *ch, int len);
/*
* Debugging functions.