X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/7ffb2b52fdfb1347695c8ce597fd31eb00cc449d..86916870d36cb70e7ef0ea760e75a6ae8b2d83a5:/misc.h

diff --git a/misc.h b/misc.h
index 48054745..456cda06 100644
--- a/misc.h
+++ b/misc.h
@@ -3,6 +3,8 @@
 
 #include "puttymem.h"
 
+#include <stdarg.h>		       /* for va_list */
+
 #ifndef FALSE
 #define FALSE 0
 #endif
@@ -10,8 +12,10 @@
 #define TRUE 1
 #endif
 
-char *dupstr(char *s);
-char *dupcat(char *s1, ...);
+char *dupstr(const char *s);
+char *dupcat(const char *s1, ...);
+char *dupprintf(const char *fmt, ...);
+char *dupvprintf(const char *fmt, va_list ap);
 
 void base64_encode_atom(unsigned char *data, int n, char *out);
 
@@ -24,7 +28,7 @@ typedef struct bufchain_tag {
 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_add(bufchain *ch, const void *data, int len);
 void bufchain_prefix(bufchain *ch, void **data, int *len);
 void bufchain_consume(bufchain *ch, int len);
 void bufchain_fetch(bufchain *ch, void *data, int len);