/* * call-seq: * * Kgio.trypeek(socket, maxlen) -> buffer * Kgio.trypeek(socket, maxlen, buffer) -> buffer * * Like Kgio.tryread, except it uses MSG_PEEK so it does not drain the * socket buffer. This can only be used on sockets and not pipe objects. * Maybe used in place of SocketMethods#kgio_trypeek for non-Kgio objects */ static VALUE s_trypeek(int argc, VALUE *argv, VALUE mod) { if (argc <= 1) rb_raise(rb_eArgError, "wrong number of arguments"); return my_peek(0, argc - 1, &argv[1], argv[0]); }