chval_int
static void chval_int(const char *, struct field *);
{"rpm", &label.rpm, print_int, chval_int, 0, 0 },
{"pcyl", &label.pcyl, print_int, chval_int, 0, 0 },
{"apc", &label.apc, print_int, chval_int, 0, 0 },
{"obs1", &label.obs1, print_int, chval_int, 0, 0 },
{"obs2", &label.obs2, print_int, chval_int, 0, 0 },
{"intrlv", &label.intrlv, print_int, chval_int, 0, 0 },
{"ncyl", &label.ncyl, print_int, chval_int, 0, 0 },
{"acyl", &label.acyl, print_int, chval_int, 0, 0 },
{"nhead", &label.nhead, print_int, chval_int, update_spc, 0 },
{"nsect", &label.nsect, print_int, chval_int, update_spc, 0 },
{"obs3", &label.obs3, print_int, chval_int, 0, 0 },
{"obs4", &label.obs4, print_int, chval_int, 0, 0 },