diff --git a/include/asm/segment.h b/include/asm/segment.h
index e408ca75ce497828260f2edc89a31661f71a18d1..8f13d8557a436efe850cb7e2430365893946e3b8 100644
--- a/include/asm/segment.h
+++ b/include/asm/segment.h
@@ -1,13 +1,13 @@
 #ifndef _SEGMENT_H
 #define _SEGMENT_H
 
-extern inline unsigned char get_fs_byte(const char * addr) {
+static inline unsigned char get_fs_byte(const char * addr) {
     unsigned register char _v;
     __asm__ ("movb %%fs:%1,%0":"=r" (_v):"m" (*addr));
     return _v;
 }
 
-extern inline void put_fs_byte(char val,char *addr) {
+static inline void put_fs_byte(char val,char *addr) {
     __asm__ ("movb %0,%%fs:%1"::"r" (val),"m" (*addr));
 }
 
diff --git a/include/unistd.h b/include/unistd.h
index b12c949ec2f4f216b49bdea64d165743adf7d338..815c17b8570ebcd08e2121276a0dd2f78ed32852 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -152,6 +152,7 @@ extern int errno;
 int dup(int fildes);
 int fork();
 int fstat();
+int setup(void *BIOS);
 int open(const char * filename, int flag, ...);
 int write(int fildes, const char * buf, off_t count);
 int read(int fildes, const char * buf, off_t count);
diff --git a/kernel/blk_drv/floppy.c b/kernel/blk_drv/floppy.c
index 8a11b10f6866ea2b971832dd74b27988d970ba42..9e559e540e4e646ff1b2b92071a55e2ac64def19 100644
--- a/kernel/blk_drv/floppy.c
+++ b/kernel/blk_drv/floppy.c
@@ -166,7 +166,7 @@ void rw_interrupt() {
     do_fd_request();
 }
 
-inline void setup_rw_floppy() {
+void setup_rw_floppy() {
     printk("setup_rw_floppy\n");
     setup_DMA();
     do_floppy = rw_interrupt;
diff --git a/kernel/blk_drv/ll_rw_blk.c b/kernel/blk_drv/ll_rw_blk.c
index ed35dd80beaa5476f7e20ec68c574b550c5c2222..25a3c5eca7869f5ed0a6983ffbe0b5b1c2ef40a6 100644
--- a/kernel/blk_drv/ll_rw_blk.c
+++ b/kernel/blk_drv/ll_rw_blk.c
@@ -21,7 +21,7 @@ struct blk_dev_struct blk_dev[NR_BLK_DEV] = {
 
 int * blk_size[NR_BLK_DEV] = { NULL, NULL, };
 
-inline void lock_buffer(struct buffer_head * bh) {
+void lock_buffer(struct buffer_head * bh) {
     cli();
     while (bh->b_lock)
         sleep_on(&bh->b_wait);
@@ -29,7 +29,7 @@ inline void lock_buffer(struct buffer_head * bh) {
     sti();
 }
 
-inline void unlock_buffer(struct buffer_head * bh) {
+void unlock_buffer(struct buffer_head * bh) {
     if (!bh->b_lock)
         printk("ll_rw_block.c: buffer not locked\n\r");
     bh->b_lock = 0;