Syntax

  #include <ctype.h>  
   
  int isxdigit  ( 
     int   c);
  

Parameters

c

(IN) Specifies the character to be tested.

Return Values

isxdigit returns a nonzero value when the argument is a hexadecimal digit. Otherwise, a value of 0 is returned.

Remarks

The isxdigit function or macro tests for any hexadecimal-digit character. These characters include digits (0 to 9) and letters (a to f or A to F).

See Also

isalnum, isalpha, iscntrl, isdigit, islower, isprint, ispunct, isspace, isupper, tolower, toupper