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#include <math.h> #include <stdio.h> #include <errno.h> long double __expm1l (long double x) { fputs ("__expm1l not implemented\n", stderr); __set_errno (ENOSYS); return 0.0; } libm_hidden_def (__expm1l) weak_alias (__expm1l, expm1l) stub_warning (expm1l)