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Table 1-4 lists the routines described in this manual that conform to the requirements of the X/Open Portability Guide, Version 4 (XPG4), or are implemented as UNIX extensions to the XPG4 standard (XPG4-UNIX). Descriptions of these routines appear in Chapter 2 under the generic function name listed in Table 1-4. Platform-specific entry-points are listed in Appendix B.
Conforms to Routine Standard Generic Function Name acos XPG4 acos acosh XPG4-UNIX acosh asin XPG4 asin asinh XPG4-UNIX asinh atan XPG4 atan atan2 XPG4 atan atanh XPG4-UNIX atanh ceil XPG4 ceil cos XPG4 cos cosh XPG4 cosh cot XPG4 cot erf XPG4 erf erfc XPG4 erf exp XPG4 exp expm1 XPG4-UNIX exp fabs XPG4 fabs floor XPG4 floor fmod XPG4 fmod frexp XPG4 frexp gamma XPG4 lgamma hypot XPG4 hypot ilogb XPG4-UNIX ilogb isnan XPG4 isnan j0 XPG4 bessel j1 XPG4 bessel jn XPG4 bessel ldexp XPG4 ldexp lgamma XPG4 lgamma log XPG4 log log10 XPG4 log log1p XPG4-UNIX log logb XPG4-UNIX logb modf XPG4 modf nextafter XPG4-UNIX nextafter pow XPG4 pow remainder XPG4-UNIX remainder rint XPG4-UNIX rint scalb XPG4-UNIX scalb sin XPG4 sin sinh XPG4 sinh tan XPG4 tan tanh XPG4 tanh y0 XPG4 bessel y1 XPG4 bessel yn XPG4 bessel