ap/libc/glibc/glibc-2.23/math/s_log1pl.c

#include <math.h>
#include <stdio.h>
#include <errno.h>

long double
__log1pl (long double x)
{
  fputs ("__log1pl not implemented\n", stderr);
  __set_errno (ENOSYS);
  return 0.0;
}

stub_warning (log1pl)