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C02/include/old/ctype.h02
2018-01-28 13:30:49 -05:00

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/**************************************
* ctype - Character Typing Functions *
**************************************/
/* Check for Alphanumeric Character *
* (Alphabetic or Digit) *
* Args: c - Character to Check *
* Returns: TRUE or FALSE */
byte isalnm();
/* Checks for Alphabetic Character *
* (Upper Case or Lower Case) *
* Args: c - Character to Check *
* Returns: TRUE or FALSE */
byte isalph();
/* Checks for Control Character *
* (Less than Space or Delete) *
* Args: c - Character to Check *
* Returns: TRUE or FALSE */
byte isctrl();
/* Checks for Digit Character *
* (In range 0-9) *
* Args: c - Character to Check *
* Returns: TRUE or FALSE */
byte isdigt();
/* Checks for Graphical Character *
* (Printable except Space) *
* Args: c - Character to Check *
* Returns: TRUE or FALSE */
byte isgrph();
/* Checks for Hex Digit Character *
* (In range 0-9, A-F, or a-f) *
* Args: c - Character to Check *
* Returns: TRUE or FALSE */
byte ishdgt();
/* Checks for Lower Case Character *
* (In range a-z) *
* Args: c - Character to Check *
* Returns: TRUE or FALSE */
byte islowr();
/* Checks for Printable Character *
* (Not High ASCII nor Control) *
* Args: c - Character to Check *
* Returns: TRUE or FALSE */
byte isprnt();
/* Checks for Punctuation Character *
* (Printable not Alphanumeric) *
* Args: c - Character to Check *
* Returns: TRUE or FALSE */
byte ispnct();
/* Checks for White Space Character *
* (Space, Tab, NL, VT, FF, CR) *
* Args: c - Character to Check *
* Returns: TRUE or FALSE */
byte isspce();
/* Checks for Upper Case Character *
* (In range A-Z) *
* Args: c - Character to Check *
* Returns: TRUE or FALSE */
byte isuppr();
/* Convert Character to Lower Case *
* Args: c - Character to Convert *
* Returns: Converted Character */
byte tolowr();
/* Convert Character to Upper Case *
* Args: c - Character to Convert *
* Returns: Converted Character */
byte touppr();