isxdigit - Test for hexadecimal digit

Definition	#include <ctype.h> int isxdigit(int c); isxdigit checks whether the character c from the EBCDIC character set is a hexadecimal digit (0-9), (A-F) or (a-f).
Return val.	!= 0 0	c is a hexadecimal digit. c is not a hexadecimal digit.
Note	isxdigit is implemented both as a macro and as a function (see section “Functions and macros”).
Example	#include <ctype.h> #include <stdio.h> int main(void) { int c; while((c = getchar()) != EOF) printf("%s : %c\n",((isxdigit(c))? "Hexadecimal digit" : "Other"), c); return 0; }
See also	isalnum, isascii, iscntrl, isalpha, islower, isprint, ispunct, isgraph, isspace, isupper, isdigit, isebcdic