C Program if else : "Find a type of character without inbuilt function" with output

 #include <stdio.h>

int main() { char ch; printf("Enter a character: "); scanf("%c", &ch); if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z')) { printf("The character is an alphabet.\n"); } else if (ch >= '0' && ch <= '9') { printf("The character is a digit.\n"); } else { printf("The character is a special character.\n"); } return 0; }

Enter a character: A The character is an alphabet. Enter a character: 7 The character is a digit. Enter a character: @ The character is a special character.