zero byte with String

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LEARN ABOUT FREEBSD

services_mkdb

SERVICES_MKDB(8)					    BSD System Manager's Manual 					  SERVICES_MKDB(8)

NAME

     services_mkdb -- generate the services database

SYNOPSIS

     services_mkdb [-b | -l] [-q] [-o database] [file]
     services_mkdb -u [file]

DESCRIPTION

     The services_mkdb utility creates a db(3) database for the specified file.  If no file is specified, then /etc/services is used.  The data-
     base is installed into /var/db/services.db.  The file must be in the correct format (see services(5)).

     The options are as follows:

     -b      Use big-endian byte order for database metadata.

     -l      Use little-endian byte order for database metadata.

     -o database
	     Put the output databases in the named file.

     -q      Do not warn about duplicate services.

     -u      Print the services file to stdout, omitting duplicate entries and comments.

     The databases are used by the C library services routines (see

     The -b and -l flags are mutually exclusive.  The default byte ordering is the current host order.	getservent(3)).

FILES

     /var/db/services.db      The current services database.
     /var/db/services.db.tmp  A temporary file.
     /etc/services	      The current services file.

EXIT STATUS

     The services_mkdb utility exits 0 on success, and >0 if an error occurs.

SEE ALSO

     db(3), getservent(3), services(5)

BUGS

     Because services_mkdb guarantees not to install a partial destination file it must build a temporary file in the same file system and if suc-
     cessful use rename(2) to install over the destination file.

     If services_mkdb fails it will leave the previous version of the destination file intact.

BSD
								   April 4, 2010							       BSD

Shell Programming and Scripting