shtk_cli_usage_error man page on DragonFly

shtk_cli_usage_error man page on DragonFly

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SHTK_CLI_USAGE_ERROR(3)	 BSD Library Functions Manual  SHTK_CLI_USAGE_ERROR(3)

NAME
     shtk_cli_usage_error — Prints a usage error and exits

LIBRARY
     shtk_import cli

SYNOPSIS
     shtk_cli_usage_error message1 [.. messageN]

DESCRIPTION
     The shtk_cli_usage_error function prints the given usage error message to
     stderr and terminates execution of the script with a return value of 1.
     The message can be provided as one or more arguments as depicted by
     message1 to messageN; all arguments are concatenated together into a sin‐
     gle line.

     The printed message has the following form, where ‘progname’ is deter‐
     mined by shtk_cli_progname(3):

	   progname: E: message1 .. messageN
	   Type 'man progname' for help.

     shtk_cli_usage_error should be used to inform the user of problems
     directly caused by his invocation of the script (e.g. the use of an
     invalid flag).  Note that the printed error message refers to a manual
     page for the script, so you should make sure to provide one.

SEE ALSO
     shtk(3), shtk_cli(3)

HISTORY
     shtk_cli_usage_error first appeared in shtk 1.0.

BSD			       November 5, 2014				   BSD

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