pub unsafe extern "C" fn fy_path_expr_dump(
expr: *mut fy_path_expr,
diag: *mut fy_diag,
errlevel: fy_error_type,
level: c_int,
banner: *const c_char,
)pub unsafe extern "C" fn fy_path_expr_dump(
expr: *mut fy_path_expr,
diag: *mut fy_diag,
errlevel: fy_error_type,
level: c_int,
banner: *const c_char,
)