base64_state
struct base64_state *state,
struct base64_state st;
struct base64_state state = { .eof = 0, .bytes = 0, .carry = 0 };
struct base64_state state = { .eof = 0, .bytes = 0, .carry = 0 };
struct base64_state state = { .eof = 0, .bytes = 0, .carry = 0 };