C Program to determine whether the character is Capital letter or Sma;; Case Letter or Special character

#include
#include
#include"<"ctype.h">"
void main()
{
int val;
char ch;
printf("/n Enter any character");
scanf("%c",&ch);
val=toascii(ch);
if((val>=65)&&(val=90))
{
printf("/n Capital letters");
}
else if((val>=97)&&(val<=122))
{
printf("/n Small case letters");
}
else if((val>=48)&&(val<=57))
{
printf("/n digits");
}
else
{
printf("/n Special symbols");
}
getch();
}