Added missing prototype for puts() in stdio.h.

Implemented a basic serial interface using COM0 which can be accessed
with the system call sys_puts as well as the library functions rsputs()
and rsprintf().

Renamed puts() in con.c to con_puts() and made the function static to
avoid interference with the library function puts().

1 files changed, 4 insertions, 0 deletions

diff --git a/include/stdio.h b/include/stdio.h
index d37699a..94cf227 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -3,7 +3,11 @@
 
 #include <stdarg.h>
 
+int puts(char*);
+int rsputs(char*);
+
 int printf(char*, ...);
+int rsprintf(char*, ...);
 
 int vsprintf(char*, char*, va_list);