Function gravity::gnode_function_decl_create

pub unsafe extern "C" fn gnode_function_decl_create(
    token: gtoken_s, 
    identifier: *const c_char, 
    access_specifier: gtoken_t, 
    storage_specifier: gtoken_t, 
    params: *mut gnode_r, 
    block: *mut gnode_compound_stmt_t, 
    meta: *mut c_void, 
    decl: *mut gnode_t
) -> *mut gnode_t