FO-BASIC(1) General Commands Manual FO-BASIC(1) NNAAMMEE FFoo--bbaassiicc - function blocks SSYYNNOOPPSSIISS _d_o_u_b_l_e ssiinn(_d_o_u_b_l_e _x); _d_o_u_b_l_e aattaann22(_d_o_u_b_l_e _y, _d_o_u_b_l_e _x); DDEESSCCRRIIPPTTIIOONN _d_o_u_b_l_e ssiinn(_d_o_u_b_l_e _x) _d_o_u_b_l_e aattaann22(_d_o_u_b_l_e _y, _d_o_u_b_l_e _x) OpenBSD July 4, 2017 OpenBSD