Make debug output optional and disabled by default.

1 files changed, 4 insertions, 0 deletions

diff --git a/functions.h b/functions.h
index 8fb5145..29518aa 100644
--- a/functions.h
+++ b/functions.h
@@ -12,6 +12,7 @@
 #include <sys/socket.h>
 #include <arpa/inet.h>
 #include <sys/select.h>
+#include <stdarg.h>
 
 #define MAXDATASIZE 513 // max number of bytes we can get at once (RFC2812 says 512, plus one for null terminator)
 
@@ -20,6 +21,9 @@
 #define NO_INPUT 1
 #define TOO_LONG 2
 
+// Print debugging output if enabled
+void debugprint(char *format, ...);
+
 // Get stdin line with buffer overrun protection
 int getstdin(char *prompt, char *buff, size_t sz);