math.h

abs
acos, acosl
asin, asinl
atan, atanl
atan2, atan2l
atof, _atold
cabs, cabsl
ceil, ceill
cos, cosl
cosh, coshl
exp, expl
fabs, fabs
floor, floorl
fmod, fmodl
frexp, frexpl
hypot, hypotl
labs
ldexp, ldexpl
log, logl
log10, log101
_matherr,_matherrl
modf, modfl
poly, polyl
pow, powl
pow10, pow10l
sin, sinl
sinh, sinhl
sqrt, sqrtl
tan, tanl
tanh, tanhl