Add io module from libstd

Also includes CString and CStr modules

1 files changed, 20 insertions, 0 deletions

diff --git a/ctru-sys/src/sys/libc.rs b/ctru-sys/src/sys/libc.rs
index cbc7958..3d647fe 100644
--- a/ctru-sys/src/sys/libc.rs
+++ b/ctru-sys/src/sys/libc.rs
@@ -1,5 +1,24 @@
 pub const STDOUT_FILENO: c_int = 1;
 
+pub const EPERM: c_int = 1;
+pub const ENOENT: c_int = 2;
+pub const EINTR: c_int = 4;
+pub const EAGAIN: c_int = 11;
+pub const EACCES: c_int = 13;
+pub const EEXIST: c_int = 17;
+pub const EINVAL: c_int = 22;
+pub const EPIPE: c_int = 32;
+pub const EWOULDBLOCK: c_int = EAGAIN;
+
+pub const EADDRINUSE: c_int = 98;
+pub const EADDRNOTAVAIL: c_int = 99;
+pub const ECONNABORTED: c_int = 103;
+pub const ECONNRESET: c_int = 104;
+pub const ENOTCONN: c_int = 107;
+pub const ETIMEDOUT: c_int = 110;
+pub const ECONNREFUSED: c_int = 111;
+pub const EHOSTDOWN: c_int = 112;
+
 #[repr(u8)]
 pub enum c_void {
     __variant1,
@@ -25,5 +44,6 @@ extern "C" {
     pub fn __errno() -> *const c_int;
     pub fn memchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;
     pub fn memrchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;
+    pub fn strlen(cs: *const c_char) -> size_t;
     pub fn write(fd: c_int, buf: *const c_void, count: size_t) -> ssize_t;
 }