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Index: share/man/man3/intro.3
===================================================================
--- share/man/man3/intro.3
+++ share/man/man3/intro.3
@@ -28,12 +28,17 @@
.\" @(#)intro.3 8.1 (Berkeley) 6/5/93
.\" $FreeBSD$
.\"
-.Dd March 22, 2017
+.Dd September 19, 2020
.Dt INTRO 3
.Os
.Sh NAME
.Nm intro
.Nd introduction to the C libraries
+.Sh SYNOPSIS
+.Nm cc
+.Op Ar flags
+.Ar
+.Op Fl llibrary
.Sh DESCRIPTION
This section provides an overview of the C
library functions, their error returns and other
@@ -47,7 +52,11 @@
option of the compiler.
.Pp
The various libraries (followed by the loader flag):
-.Bl -tag -width "libc (-lc)"
+.Bl -tag -width "libbluetooth (-lbluetooth)"
+.It Em libbluetooth Pq Fl l Ns Ar bluetooth
+The bluetooth library.
+See
+.Xr bluetooth 3 .
.It Em libc Pq Fl l Ns Ar c
Standard C library functions.
When using the C compiler
@@ -57,21 +66,58 @@
.Fl l Ns Ar c
for these functions.
There are several `libraries' or groups of functions included inside of
-.Em libc
-: the standard
-.Tn I/O
-routines,
-database routines,
-bit operators,
-string operators,
-character tests and character operators,
-des encryption routines,
-storage allocation, time functions, signal handling and more.
+.Em libc:
+.Bl -tag -width "XXXXXX"
+.It standard I/O routines
+see
+.Xr stdio 3
+.It database routines
+see
+.Xr db 3
+.It bit operators
+see
+.Xr bitstring 3
+.It string operators
+see
+.Xr string 3
+.It character tests and character operators
+.It storage allocation
+see
+.Xr mpool 3
+.It regular-expressions
+see
+.Xr regex 3
+.It remote procedure calls (RPC)
+see
+.Xr rpc 3
+.It time functions
+see
+.Xr time 3
+.It signal handling
+see
+.Xr signal 3
+.El
+.It Em libcalendar Pq Fl l Ns Ar calendar
+The calendar arithmetic library.
+See
+.Xr calendar 3 .
+.It Em libcam Pq Fl l Ns Ar cam
+The common access method user library.
+See
+.Xr cam 3 .
+.It Em libcrypt Pq Fl l Ns Ar crypt
+The crypt library.
+See
+.Xr crypt 3 .
.It Em libcurses Pq Fl l Ns Ar curses Fl l Ns Ar termcap
Terminal independent screen management routines
for two dimensional non-bitmap display terminals.
-(See
-.Xr ncurses 3 . )
+See
+.Xr ncurses 3 .
+.It Em libcuse Pq Fl l Ns Ar cuse
+The userland character device library.
+See
+.Xr cuse 3 .
.It Em libcompat Pq Fl l Ns Ar compat
Functions which are obsolete but are available for compatibility with
.Bx 4.3 .
@@ -82,32 +128,96 @@
Use of these routines should, for the most part, be avoided.
The manual page entry for each compatibility routine
indicates the proper interface to use.
+.It Em libdevinfo Pq Fl l Ns Ar devinfo
+The Device and Resource Information Utility library.
+See
+.Xr devinfo 3 .
+.It Em libdevstat Pq Fl l Ns Ar devstat
+The Device Statistics library.
+See
+.Xr devstat 3 .
+.It Em libdwarf Pq Fl l Ns Ar dwarf
+The DWARF access library.
+See
+.Xr dwarf 3 .
+.It Em libelf Pq Fl l Ns Ar elf
+The ELF access library.
+See
+.Xr elf 3 .
+.It Em libfetch Pq Fl l Ns Ar fetch
+The file transfer library.
+See
+.Xr fetch 3 .
+.It Em libfigpar Pq Fl l Ns Ar figpar
+The configuration file parsing library.
+See
+.Xr figpar 3 .
+.It Em libgpio Pq Fl l Ns Ar gpio
+The general-purpose input output library (GPIO).
+See
+.Xr gpio 3 .
+.It Em libgssapi Pq Fl l Ns Ar gssapi
+The generic security service application programming
+interface.
+See
+.Xr gssapi 3 .
+.It Em libjail Pq Fl l Ns Ar jail
+The jail library.
+See
+.Xr jail 3 .
.It Em libkvm Pq Fl l Ns Ar kvm
Functions used to access kernel memory are in this library.
They can be used
against both a running system and a crash dump.
-(See
-.Xr kvm 3 . )
+See
+.Xr kvm 3 .
.It Em libl Pq Fl l Ns Ar l
The library for
.Xr lex 1 .
.It Em libm Pq Fl l Ns Ar m
-The math library,
-.Em libm .
-The math library is loaded as needed by the Pascal compiler,
-but not by the C compiler which requires the
-.Fl l Ns Ar m
-flag.
-(See
-.Xr math 3 . )
+The math library.
+See
+.Xr math 3 .
+.It Em libmd Pq Fl l Ns Ar md
+The message digest library.
+See
+.Xr md 3
.It Em libmp Pq Fl l Ns Ar mp
+.It Em libpam Pq Fl l Ns Ar pam
+The pluggable authentication module library.
+See
+.Xr pam 3 .
+.It Em libpcap Pq Fl l Ns Ar pcap
+The packet capture library.
+See
+.Xr pcap 3 .
+.It Em libpmc Pq Fl l Ns Ar pmc
+The performance counters library.
+See
+.Xr pmc 3 .
+.It Em libpthread Pq Fl l Ns Ar pthread
+The POSIX threads library.
+See
+.Xr pthread 3 .
+.It Em libsysdecode Pq Fl l Ns Ar sysdecode
+The system argument decoding library.
+See
+.Xr sysdecode 3
.It Em libtermcap Pq Fl l Ns Ar termcap
The terminal independent operation library package.
-(See
-.Xr termcap 3 . )
+See
+.Xr termcap 3 .
+.It Em libusb Pq Fl l Ns Ar usb
+The USB access library.
+See
+.Xr usb 3 .
.It Em liby Pq Fl l Ns Ar y
The library for
.Xr yacc 1 .
+.It Em libz Pq Fl l Ns Ar z
+The general-purpose data compression library.
+See
+.Xr zlib 3 .
.El
.Sh FILES
.Bl -tag -width /usr/lib/libm_p.a -compact

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