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-.\"     @(#)intro.3	8.1 (Berkeley) 6/5/93
-.\" $FreeBSD: src/share/man/man3/intro.3,v 1.14 2001/08/07 15:48:38 ru Exp $
-.\"
-.Dd Aug 17, 2006
-.Dt INTRO 3
-.Os
-.Sh NAME
-.Nm intro
-.Nd introduction to the C libraries
-.Sh DESCRIPTION
-This section provides an overview of the C
-library functions, their error returns and other
-common definitions and concepts.
-Most of these functions are available from the System library,
-.Em libSystem .
-Other libraries
-must be indicated at compile time with the
-.Fl l
-option of the compiler.
-.Pp
-The various libraries (followed by the loader flag):
-.Bl -tag -width "libSystem (-lSystem)"
-.It Xr libSystem Pq Fl l Ns Ar System
-Standard C library functions.
-When using the C compiler
-.Xr cc 1 ,
-it is not necessary
-to supply the loader flag
-.Fl l Ns Ar System
-for these functions.
-There are several `libraries' or groups of functions included inside of
-.Xr libSystem :
-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.
-.Pp
-For compatibility with other systems, which provide these capabilities in
-separate libraries (such as
-.Xr libc ) ,
-symbolic links are provided for
-.Fl l Ns Ar c ,
-.Fl l Ns Ar dbm ,
-.Fl l Ns Ar dl ,
-.Fl l Ns Ar info ,
-.Fl l Ns Ar m ,
-.Fl l Ns Ar poll ,
-.Fl l Ns Ar pthread
-and
-.Fl l Ns Ar rpcsvc ;
-they all point to
-.Xr libSystem .
-.It Xr 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 . )
-.It Xr libl Pq Fl l Ns Ar l
-The library for
-.Xr lex 1 .
-.It Xr libtermcap Pq Fl l Ns Ar termcap
-The terminal independent operation library package.
-(See
-.Xr termcap 3 . )
-.\" .It libvt0.a
-.It Xr liby Pq Fl l Ns Ar y
-The library for
-.Xr yacc 1 .
-.El
-.Sh FILES
-.Bl -tag -width /usr/lib/libSystem_profile.dylib -compact
-.It Pa /usr/lib/libSystem.dylib
-the main System library
-.It Pa /usr/lib/libSystem_debug.dylib
-the main System library compiled with debug support
-.It Pa /usr/lib/libSystem_profile.dylib
-the main System library compiled for profiling
-.El
-.Sh SEE ALSO
-.\" .Xr libc 3 ,
-.Xr cc 1 ,
-.Xr ld 1 ,
-.Xr nm 1 ,
-.Xr intro 2 ,
-.Xr stdio 3
-.\" .Sh LIST OF FUNCTIONS
-.\" .Bl -column "strncasecmpxxx" "system"
-.\" .Sy Name	Description
-.\" .El
-.Sh HISTORY
-An
-.Nm
-manual appeared in
-.At v7 .