char logData[150]="host=localhost port=5432 dbname=";
    char password[50]={'\0'};
    char dbname[50]={'\0'};
    char user[50]={'\0'};
    printf("DBname: ");
    scanf("%s",&dbname);
    strcat(logData,dbname);
    char createdb[30]={'\0'};
    strcat(createdb,"createdb ");
    strcat(createdb,dbname);
    strcat(createdb," 2>/dev/null");
    system(createdb);
    printf("User: ");
    scanf("%s",&user);
    strcat(logData," user=");
    strcat(logData,user);
    printf("Password: ");
    system("stty -echo");
    scanf("%s",&password);
    system("stty echo");
    strcat(logData," password=");
    strcat(logData,password);
//-----------------------------------------

  PGconn *conn = PQconnectdb(logData);