DragonFly On-Line Manual Pages
SHTK_CLI_USAGE_ERROR(3) DragonFly Library Functions Manual
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
single line.
The printed message has the following form, where `progname' is
determined 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.
DragonFly 6.5-DEVELOPMENT November 5, 2014 DragonFly 6.5-DEVELOPMENT