Large reorganization of headers (WIP)

src/header/sys_file/cbindgen.toml

@@ -0,0 +1,6 @@
+include_guard = "_SYS_FILE_H"
+language = "C"
+style = "Tag"
+
+[enum]
+prefix_with_name = true

src/header/sys_file/mod.rs

@@ -0,0 +1,18 @@
+//! sys/file.h implementation
+
+use platform;
+use platform::types::*;
+
+pub const LOCK_SH: usize = 1;
+pub const LOCK_EX: usize = 2;
+pub const LOCK_NB: usize = 4;
+pub const LOCK_UN: usize = 8;
+
+pub const L_SET: usize = 0;
+pub const L_INCR: usize = 1;
+pub const L_XTND: usize = 2;
+
+#[no_mangle]
+pub extern "C" fn flock(fd: c_int, operation: c_int) -> c_int {
+    platform::flock(fd, operation)
+}