jump_line        1259 lib/ubasic/ubasic.c         jump_line(cur_ln+1);
jump_line        1285 lib/ubasic/ubasic.c           jump_line(gosub_ln);
jump_line        1316 lib/ubasic/ubasic.c         jump_line(cur_ln+1);
jump_line        1338 lib/ubasic/ubasic.c           jump_line(gosub_ln);
jump_line        1448 lib/ubasic/ubasic.c     jump_line(gosub_stack[gosub_stack_ptr]);
jump_line        1471 lib/ubasic/ubasic.c         jump_line(for_stack[for_stack_ptr - 1].line_after_for); 
jump_line        1544 lib/ubasic/ubasic.c       jump_line(do_stack[do_stack_ptr-1]);
jump_line        1603 lib/ubasic/ubasic.c     jump_line(while_stack[while_stack_ptr-1]);