ctanh

ctanhf, ctanh, ctanhl

Defined in header <complex.h>
float complex       ctanhf( float complex z );
(1) (since C99)
double complex      ctanh( double complex z );
(2) (since C99)
long double complex ctanhl( long double complex z );
(3) (since C99)
Defined in header <tgmath.h>
<