extern "c" fn dn_expand([*:0]const u8, [*:0]const u8, [*:0]const u8, [*:0]u8, c_int) callconv(.C) c_int

Parameters

msg: [*:0]const u8,
eomorig: [*:0]const u8,
comp_dn: [*:0]const u8,
exp_dn: [*:0]u8,
length: c_int,