Char Validation « Data Type « C / ANSI-C






1.Check a char: is it a alphanumeric char
2.Is a char alphanumeric
3.Is char a letter
4.Is char a control char
5.Is it a digit
6.Is it printable: isgraph
7.Is it a lowercase char
8.Is it printable
9.Is a char punctuation








10.Is it a space char
11.Is it a uppercase char
12.is it a hexadecimal digit
13.Check a char: is it a letter
14.Check a char: is it a control letter