gl_signbitl 2630 maint/gnulib/lib/math.in.h _GL_EXTERN_C int gl_signbitl (long double arg); gl_signbitl 2654 maint/gnulib/lib/math.in.h # if defined LDBL_SIGNBIT_WORD && defined LDBL_SIGNBIT_BIT && !defined gl_signbitl gl_signbitl 2666 maint/gnulib/lib/math.in.h (sizeof (x) == sizeof (long double) ? gl_signbitl (x) : \