Zilog Z8F0130 - Manual (Page 469)

UM013037-1212 isxdigit
Zilog Developer Studio II – Z8 Encore!
User Manual
445
Example
int r;

char c='a';

r=isupper(c);
isxdigit
Tests for any hexadecimal digit '0' to '9' and 'A' to 'F'.
Synopsis
#include

int isxdigit(int c);
Example
int r;

char c='f';

r=isxdigit(c)
labs
Computes the absolute value of a long j.
Synopsis
#include

long labs(long j);
Example
long i=-193250;

long j

j=labs(i);
ldexp
Multiplies a floating-point number by an integral power of 2. A range error can occur.
Synopsis
#include

double ldexp(double x, int exp);
Returns
The value of x times 2 raised to the power of exp.