Code
// C Program To Check the entered letter is lowercase or not...
#include <stdio.h>
int main()
{
// 97-122 = ASCII Values
char ch;
printf("Enter the character\n");
scanf("%c", &ch);
if (ch <= 122 && ch >= 97)
{
printf("It is lower case\n");
}
else
{
printf("It is not lower case\n");
}
return 0;
}
Output
Enter the character y It is lower case