1#include <math_ldbl_opt.h>
2#include <math/s_nextafter.c>
3#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1)
4strong_alias (__nextafter, __nexttowardd)
5strong_alias (__nextafter, __nexttowardld)
6#undef nexttoward
7compat_symbol (libm, __nexttowardd, nexttoward, GLIBC_2_1);
8compat_symbol (libm, __nexttowardld, nexttowardl, GLIBC_2_1);
9#endif
10

source code of glibc/sysdeps/ieee754/ldbl-opt/s_nextafter.c