ESP_STAT_HIST
#define ESP_NSTATS (ESP_STAT_HIST + ESP_ALG_MAX)
ESP_STATINC(ESP_STAT_HIST + esp_stats[sav->alg_enc]);
ESP_STATINC(ESP_STAT_HIST + esp_stats[sav->alg_enc]);
if (espstats[ESP_STAT_HIST + i])
espstats[ESP_STAT_HIST + i]);