HI i want to know how to use isalpha in my prog please help me out
printf("Enter the ip address using '.' as a seperator after each octet only integers\n"); /* Printing the statement*/
scanf("%d.%d.%d.%d.",&ip[0],&ip[1],&ip[2],&ip[3]); /* Reading the values of ip address and storing integer values*/
printf("Enter the subnetmask address using '.' as a seperator after each octet only integers\n"); /*Printing the statement*/
scanf("%d.%d.%d.%d.",&mask[0],&mask[1],&mask[2],&mask[3]);
how to use isalpha to chech for a character