acos.3, acosh.3, asin.3, asinh.3, atan.3, atan2.3, atanh.3, cabs.3, cacos.3, cacosh...

acos.3, acosh.3, asin.3, asinh.3, atan.3, atan2.3, atanh.3, cabs.3, cacos.3, cacosh.3, carg.3, casin.3, casinh.3, catan.3, catanh.3, cbrt.3, ccos.3, ccosh.3, ceil.3, cexp.3, cimag.3, clog.3, conj.3, copysign.3, cos.3, cosh.3, cpow.3, cproj.3, creal.3, csin.3, csinh.3, csqrt.3, ctan.3, ctanh.3, erf.3, erfc.3, exp.3, exp2.3, expm1.3, fabs.3, fdim.3, floor.3, fma.3, fmax.3, fmin.3, fmod.3, frexp.3, hypot.3, ilogb.3, ldexp.3, log.3, log10.3, log1p.3, log2.3, logb.3, lrint.3, lround.3, modf.3, nan.3, nextafter.3, pow.3, remquo.3, rint.3, round.3, scalbln.3, sin.3, sinh.3, sqrt.3, tan.3, tanh.3, tgamma.3, trunc.3: These functions are also in POSIX.1-2008

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>