NCONF_get_number_e
status = NCONF_get_number_e(NULL, group, name, &result);
status = NCONF_get_number_e(&ctmp, group, name, &result);
if (!NCONF_get_number_e(cnf, value, "init",
if (!NCONF_get_number_e(conf, section, ENV_CLOCK_PRECISION_DIGITS,
int NCONF_get_number_e(const CONF *conf, const char *group, const char *name,
#define NCONF_get_number(c,g,n,r) NCONF_get_number_e(c,g,n,r)