X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=bootcensus;a=blobdiff_plain;f=src%2Flibc%2Fstdio.h;h=fbc79b70829537ffc00d4d07fd3a5fd9b0434e92;hp=866ed70661d0bc5e566441daad75679b1401053b;hb=9358438bef42dbbcd1492a52d9010899a9756d2c;hpb=d1e8a437c1fab4535f82c4c214ec3330ac32e48d

diff --git a/src/libc/stdio.h b/src/libc/stdio.h
index 866ed70..fbc79b7 100644
--- a/src/libc/stdio.h
+++ b/src/libc/stdio.h
@@ -1,3 +1,20 @@
+/*
+pcboot - bootable PC demo/game kernel
+Copyright (C) 2018  John Tsiombikas <nuclear@member.fsf.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY, without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
 #ifndef STDIO_H_
 #define STDIO_H_
 
@@ -16,4 +33,8 @@ int vsprintf(char *buf, const char *fmt, va_list ap);
 int snprintf(char *buf, size_t sz, const char *fmt, ...);
 int vsnprintf(char *buf, size_t sz, const char *fmt, va_list ap);
 
+/* printf to the serial port */
+int ser_printf(const char *fmt, ...);
+int ser_vprintf(const char *fmt, va_list ap);
+
 #endif	/* STDIO_H_ */