cabs
double cabs(double complex) __RENAME(__c99_cabs);
#define fabs(a) __TG_COMPLEX1((a), cabs, fabs)
double cabs(struct complex);
__warn_references(cabs, "warning: reference to compatibility cabs()")
cabs(struct complex z)
rr = cabs(z);
absa = cabs(a);
r = cabs(w);
double cabs(double _Complex);