Added fssh_read/write() implementation.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21232 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tools/fs_shell/unistd.cpp

@@ -202,6 +202,13 @@ fssh_ioctl(int fd, unsigned long op, ...)
 }
 
 
+fssh_ssize_t
+fssh_read(int fd, void *buffer, fssh_size_t count)
+{
+	return read(fd, buffer, count);
+}
+
+
 fssh_ssize_t
 fssh_read_pos(int fd, fssh_off_t pos, void *buffer, fssh_size_t count)
 {
@@ -209,6 +216,13 @@ fssh_read_pos(int fd, fssh_off_t pos, void *buffer, fssh_size_t count)
 }
 
 
+fssh_ssize_t
+fssh_write(int fd, const void *buffer, fssh_size_t count)
+{
+	return write(fd, buffer, count);
+}
+
+
 fssh_ssize_t
 fssh_write_pos(int fd, fssh_off_t pos, const void *buffer, fssh_size_t count)
 {