low_str_isxdigit

l_int 	low_str_isxdigit ( 
		l_int 		chr 
);

Each of these routines returns true ( TRUE )  if @chr is a particular representation of a hexadecimal digit.

Return Value

low_str_isxdigit returns a non-zero value if @chr is a hexadecimal digit (A – F, a – f, or 0 – 9).  Returns 0 if @chr does not satisfy the test condition.

Parameter

chr

Integer to test