11. Write a C program to check whether the entered character is capital, small letter, digit or any special character.
#include<stdio.h>
#include<conio.h>
int main()
{
char ch;
printf("\nPress any key : ");
ch=getchar();
if(ch>='A' && ch<='Z')
printf("\nentered character is capital letter");
else if(ch>='a'&& ch<='z')
printf("\nEntered character is small letter");
else if(ch>='0'&& ch<='9')
printf("\nEntered character is digit");
else
printf("\nEntered character is special character");
getch();
return 0;
}
Sample output
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