dump (1, "if (!lex_force_int (lexer))");
dump (0, "goto lossage;");
dump (-1, "p->n_%s = lex_integer (lexer);", st_lower (sbc->name));
dump (1, "if (!lex_force_int (lexer))");
dump (0, "goto lossage;");
dump (-1, "p->n_%s = lex_integer (lexer);", st_lower (sbc->name));