function name s_wsfe s_wsfi do_uio s_cmp i_sign r_sign s_wsle e_wsue s_stop r_lg10 f_inqu do_fio s_wsue getarg_ iargc_ f_clos f_rew pow_dd pow_di pow_ii e_rsfe e_rsfi r_mod i_indx i_len pow_ri e_rsle s_rsfe s_rsfi do_lio s_rsle e_rsue s_cat i_nint f_open main e_wsfe e_wsfi s_rsue e_wsle s_copy