fmod::ffi

Function FMOD_System_AttachFileSystem

Source 
pub unsafe extern "C" fn FMOD_System_AttachFileSystem(
    system: *mut FMOD_SYSTEM,
    useropen: Option<unsafe extern "C" fn(*const i8, *mut u32, *mut *mut c_void, *mut c_void) -> FMOD_RESULT>,
    userclose: Option<unsafe extern "C" fn(*mut c_void, *mut c_void) -> FMOD_RESULT>,
    userread: Option<unsafe extern "C" fn(*mut c_void, *mut c_void, u32, *mut u32, *mut c_void) -> FMOD_RESULT>,
    userseek: Option<unsafe extern "C" fn(*mut c_void, u32, *mut c_void) -> FMOD_RESULT>,
) -> FMOD_RESULT