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NetBSD 6.1.5 - man page for intro (netbsd section 3)

INTRO(3)			   BSD Library Functions Manual 			 INTRO(3)

NAME
     intro -- introduction to the system libraries

DESCRIPTION
     This section provides an overview of the system libraries, their functions, error returns
     and other common definitions and concepts.  Most of these functions are available from the
     standard C library, libc.	Other libraries, such as the math library, libm, must be indi-
     cated at compile time with the -l option of the compiler.

     The various system libraries supplied in NetBSD (followed by the linker flags) are:

     libasn1 (-lasn1)
		 The abstract syntax notation (ASN) library provides routines for the specifica-
		 tion of abstract data types.

     libbz2 (-lbz2)
		 Block-sorting compressor library providing routines for fast and efficient com-
		 pression.

     libc (-lc)  The standard C library.  When using the C compiler cc(1), it is not necessary to
		 supply the linker flag -lc for these functions.  There are several subsystems
		 included inside libc:

		 standard I/O routines
			 see stdio(3)

		 database routines
			 see db(3)

		 bit operators
			 see bitstring(3)

		 string operators
			 see string(3)

		 character tests and character operators

		 encryption and hash routines
			 see md4(3) and md5(3).

		 storage allocation
			 see mpool(3) and malloc(3)

		 time functions
			 see time(3)

		 signal handling
			 see signal(3)

     libcom_err (-lcom_err)
		 The common error description library.	See com_err(3).

     libcompat (-lcompat)
		 Functions which are obsolete but are available for compatibility with 4.3BSD.
		 In particular, a number of system call interfaces provided in previous releases
		 of BSD have been included for source code compatibility.  Use of these routines
		 should, for the most part, be avoided.  The manual page entry for each compati-
		 bility routine indicates the proper interface to use.

     libcrypt (-lcrypt)
		 The crypt library.  See crypt(3).

     libcrypto (-lcrypto)
		 The OpenSSL cryptographic library.  See crypto(3).

     libcrypto_idea (-lcrypto_idea)
		 The OpenSSL cryptographic library routines for the IDEA algorithm.  This algo-
		 rithm is separated from libcrypto since the IDEA algorithm is protected by
		 patents and its use is restricted.

     libcrypto_rc5 (-lcrypto_rc5)
		 The OpenSSL cryptographic library routines for the RC5 algorithm.  This algo-
		 rithm is separated from libcrypto since the RC5 algorithm is protected by
		 patents and its use is restricted.

     libcurses (-lcurses -ltermcap)
		 Terminal independent screen management routines for two dimensional non-bitmap
		 display terminals.  See curses(3).

     libdes (-ldes)
		 The OpenSSL cryptographic library for the DES algorithms.  See des(3).

     libdm (-ldm)
		 The device-mapper driver access library used for communication with kernel
		 driver dm(4) and for lvm(8) subsystem.

     libedit (-ledit)
		 The command-line editor or editline library.  The editline library provides
		 generic editing and history functions.  See editline(3).

     libform (-lform)
		 The curses form library provides a terminal-independent form system using the
		 curses library.  The form library provides facilities for defining forms on ter-
		 minals.  See forms(3).

     libgssapi (-lgssapi)
		 The Generic Security Services (GSS) API library.  This library provides verifi-
		 cation services to applications and usually sits above the cryptographic
		 libraries.

     libhesiod (-lhesiod)
		 The Hesiod library.  This library provides routines for performing lookups of
		 Hesiod information, which is stored as text records in the Domain Name Service.
		 See hesiod(3).

     libhdb (-lhdb)
		 The Heimdal Kerberos 5 authentication/authorisation database access library.

     libintl (-lintl)
		 The internationalized message handling library.  See gettext(3).

     libipsec (-lipsec)
		 The IPsec policy control library.  See ipsec_set_policy(3) and
		 ipsec_strerror(3).

     libkadm (-lkadm)
		 The Kerberos IV administration server and client library.

     libkadm5clnt (-lkadm5clnt)
		 The Kerberos 5 administration client library.

     libkadm5srv (-lkadm5srv)
		 The Kerberos 5 administration server library.

     libkafs (-lkafs)
		 The Kerberos IV AFS library.  See kafs(3).

     libkdb (-lkdb)
		 The Kerberos IV authentication/authorisation database access library.

     libkrb (-lkrb)
		 The Kerberos IV library.

     libkrb5 (-lkrb5)
		 The Kerberos 5 library.  See krb5(3).

     libkstream (-lkstream)
		 Kerberos IV encrypted stream library.

     libkvm (-lkvm)
		 Kernel data access library.  See kvm(3).

     libl (-ll)  The library for lex(1).

     libm (-lm)  The math library.  See math(3).

     libmenu (-lmenu)
		 The curses menu library.  See menus(3).

     libpcap (-lpcap)
		 The packet capture library.  See pcap(3).

     libpci (-lpci)
		 The PCI bus access library.  See pci(3).

     libposix (-lposix)
		 The POSIX compatibility library provides a compatibility interface for POSIX
		 functions which differ from the standard BSD interfaces.  See chown(2) and
		 rename(2).

     libresolv (-lresolv)
		 The DNS resolver library.

     librmt (-lrmt)
		 Remote magnetic tape library.	See rmtops(3).

     libroken (-lroken)
		 A library containing compatibility functions used by Kerberos.  It implements
		 functionality required by the Kerberos implementation not implemented in the
		 standard NetBSD libraries.

     librpcsvc (-lrpcsvc)
		 The Remote Procedure Call (RPC) services library.  See rpc(3).

     libskey (-lskey)
		 The S/Key one-time password library.  See skey(3).

     libsl (-lsl)

     libss (-lss)

     libssl (-lssl)
		 The secure sockets layer (SSL) library.  See ssl(3).

     libtelnet (-ltelnet)
		 The telnet library.

     libtermcap (-ltermcap)
		 The terminal-independent operation library.  See termcap(3).

     libusb (-lusb)
		 The Universal Serial Bus (USB) access library.

     libutil (-lutil)
		 The system utilities library.	See util(3).

     libwrap (-lwrap)
		 The TCP wrappers library.  See hosts_access(3).

     liby (-ly)  The library for yacc(1).

     libz (-lz)  General-purpose compression library.

SEE ALSO
     cc(1), ld(1), nm(1), rtld(1), intro(2)

HISTORY
     An intro manual appeared in Version 7 AT&T UNIX.

BSD					 February 8, 2011				      BSD


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