Introduce .Lb macro to libmanpages

lib/libm/common_source/acos.3

@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm acos
 .Nd arc cosine function
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/acosh.3

@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm acosh
 .Nd inverse hyperbolic cosine function
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/asin.3

@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm asin
 .Nd arc sine function
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/asinh.3

@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm asinh
 .Nd inverse hyperbolic sine function
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/atan.3

@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm atan
 .Nd arc tangent function of one variable
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/atan2.3

@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm atan2
 .Nd arc tangent function of two variables
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/atanh.3

@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm atanh
 .Nd inverse hyperbolic tangent function
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/ceil.3

@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm ceil
 .Nd smallest integral value greather than or equal to x
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/cos.3

@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm cos
 .Nd cosine function
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/cosh.3

@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm cosh
 .Nd hyperbolic cosine function
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/erf.3

@@ -39,6 +39,8 @@
 .Nm erf ,
 .Nm erfc
 .Nd error function operators
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/exp.3

@@ -43,6 +43,8 @@
 .Nm log1p ,
 .Nm pow
 .Nd exponential, logarithm, power functions
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/fabs.3

@@ -39,6 +39,8 @@
 .Sh NAME
 .Nm fabs
 .Nd floating-point absolute value function
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/floor.3

@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm floor
 .Nd largest integral value less than or equal to x
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/fmod.3

@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm fmod
 .Nd floating-point remainder function
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/hypot.3

@@ -39,6 +39,8 @@
 .Nm hypot ,
 .Nm cabs
 .Nd euclidean distance and complex absolute value functions
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/ieee.3

@@ -42,6 +42,8 @@
 .Nm logb ,
 .Nm scalb
 .Nd "IEEE 754 floating point support
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double 

lib/libm/common_source/infnan.3

@@ -40,6 +40,8 @@
 .Nd signals invalid floating\-point operations on a
 .Tn VAX
 (temporary)
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double 

lib/libm/common_source/j0.3

@@ -43,6 +43,8 @@
 .Nm y1 ,
 .Nm yn
 .Nd bessel functions of first and second kind
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/lgamma.3

@@ -39,6 +39,8 @@
 .Nm lgamma
 .Nm gamma
 .Nd log gamma function, gamma function
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft extern int

lib/libm/common_source/rint.3

@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm rint
 .Nd round-to-closest integer functions
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/sin.3

@@ -39,6 +39,8 @@
 .Sh NAME
 .Nm sin
 .Nd sine function
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/sinh.3

@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm sinh
 .Nd hyperbolic sine function
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/sqrt.3

@@ -39,6 +39,8 @@
 .Nm cbrt ,
 .Nm sqrt
 .Nd cube root and square root functions
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/tan.3

@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm tan
 .Nd tangent function
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double

lib/libm/common_source/tanh.3

@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm tanh
 .Nd hyperbolic tangent function
+.Sh LIBRARY
+.Lb libm
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double