tCron cron[maxn+5];charcommand[maxn+5][105];intmonthToNumber(chars[]){for(inti =0; i <=2; i++) s[i] =tolower(s[i]);if(strcmp(s,"jan") ==0)return1;if(strcmp(s,"feb") ==0)return2;if(strcmp(s,"mar") ==0)return3;if(strcmp(s,"apr") ==0)return4;if(strcmp(s...