X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/ceaab2f46ae8fa4598b9682eaf3210cda21517c9..44c4b1b168d0ac7c860f91495c423f425e8a87d9:/h/prototypes.h

diff --git a/h/prototypes.h b/h/prototypes.h
index cb47ca6a..c9dd291e 100644
--- a/h/prototypes.h
+++ b/h/prototypes.h
@@ -474,8 +474,8 @@ int WhatNow(int, char **);
  */
 int writeBase64aux(FILE *in, FILE *out, int crlf);
 
-int writeBase64 (unsigned char *, size_t, unsigned char *);
-int writeBase64raw (unsigned char *, size_t, unsigned char *);
+int writeBase64 (const unsigned char *, size_t, unsigned char *);
+int writeBase64raw (const unsigned char *, size_t, unsigned char *);
 
 /*
  * first argument:  the string to be decoded