program for check upper case lower case and number insert by the user
#include<stdio.h> int main() { char ch; printf("\nEnter The Character,number,special symbol : "); scanf("%c", &ch); if (ch >= 65 && ch <= 90) { printf("Character is Upper Case Letters"); } else if(ch >= 97 && ch <= 122) { printf("Character is lower Case Letters"); } else if(ch >= 48 && ch <= 57) { printf("this is a number"); } else { printf("this is a special symbol"); } }