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#![allow(bad_style)]
#![no_std]

extern crate libc;

use libc::{c_void, c_char, c_int, uintptr_t};

pub type backtrace_syminfo_callback =
    extern fn(data: *mut c_void,
              pc: uintptr_t,
              symname: *const c_char,
              symval: uintptr_t,
              symsize: uintptr_t);
pub type backtrace_full_callback =
    extern fn(data: *mut c_void,
              pc: uintptr_t,
              filename: *const c_char,
              lineno: c_int,
              function: *const c_char) -> c_int;
pub type backtrace_error_callback =
    extern fn(data: *mut c_void,
              msg: *const c_char,
              errnum: c_int);
pub enum backtrace_state {}

extern "C" {
    #[cfg_attr(rdos, link_name = "__rdos_backtrace_create_state")]
    #[cfg_attr(rbt, link_name = "__rbt_backtrace_create_state")]
    pub fn backtrace_create_state(filename: *const c_char,
                                  threaded: c_int,
                                  error: backtrace_error_callback,
                                  data: *mut c_void) -> *mut backtrace_state;
    #[cfg_attr(rdos, link_name = "__rdos_backtrace_syminfo")]
    #[cfg_attr(rbt, link_name = "__rbt_backtrace_syminfo")]
    pub fn backtrace_syminfo(state: *mut backtrace_state,
                             addr: uintptr_t,
                             cb: backtrace_syminfo_callback,
                             error: backtrace_error_callback,
                             data: *mut c_void) -> c_int;
    #[cfg_attr(rdos, link_name = "__rdos_backtrace_pcinfo")]
    #[cfg_attr(rbt, link_name = "__rbt_backtrace_pcinfo")]
    pub fn backtrace_pcinfo(state: *mut backtrace_state,
                            addr: uintptr_t,
                            cb: backtrace_full_callback,
                            error: backtrace_error_callback,
                            data: *mut c_void) -> c_int;
}