Write a program to accept any three numbers and find the smallest number by if statement?

#include<stdio.h>

main()

{

char ch;

printf("\n enter any number:");

scanf("%c",&ch);

if(ch>=65&&ch<=90)

printf("\n upper case aphabet");

else if(ch>=97&&ch<=122)

printf("\n lower case alphabet)

else if(h>=48&&ch<=57)

printf("\n numeric char");

else

printf("\n special char");

}