Lisalnum

Tests for a alphanumeric character in the local multibyte code set.

Library:LibC
Classification:Other
Service:Characters and Strings

Syntax

  #include <ctype.h> 
   
  int Lisalnum (
     const char   *c);

Parameters

c

(IN) Points to the character to test.

Return Values

Returns a nonzero if the argument is an alphabetic character or a digit. Otherwise, it returns 0.

Remarks

The Lisalnum function is a double-byte interface. It tests if c is an alphanumeric character in the local code page. An alphanumeric character is any character for which Lisalpha or Lisdigit is true.

See Also