친절한 매뉴얼

☞ abs, fabs, frexp, ldexp, ceil, floor, trunc, round, modf, fmod, remainder int abs(int number); long int labs(long int number); long long int llabs(long long int number); double fabs(double number); float fabsf(float number); long double fabsl(long double number); double frexp(double value, int *exponent); float frexpf(float value, int *exponent); long double frexpl(long double value, int *expone..