Hi, On 08/17/16 12:57, Iván Matellanes wrote: > + if ((fb = MSVCRT_operator_new(sizeof(filebuf)))) { > + filebuf_fd_ctor(fb, 0); > + istream_sb_ctor(&cin.is, &fb->base, TRUE); > + } else > + istream_sb_ctor(&cin.is, NULL, TRUE); > + Iostream_init_ios_ctor(NULL, &cin.vbase, 0); You should use istream_withassign_sb_ctor here. Thanks, Piotr