.SH NAME
y0, y0f, y0l, y1, y1f, y1l, yn, ynf, ynl \-
Bessel functions of the second kind
+.SH LIBRARY
+Math library
+.RI ( libm ", " -lm )
.SH SYNOPSIS
.nf
.B #include <math.h>
.BI "long double ynl(int " n ", long double " x );
.fi
.PP
-Link with \fI\-lm\fP.
-.PP
.RS -4
Feature Test Macro Requirements for glibc (see
.BR feature_test_macros (7)):