DragonFly On-Line Manual Pages
SHTK_CONFIG_HAS(3) DragonFly Library Functions Manual SHTK_CONFIG_HAS(3)
NAME
shtk_config_has - Checks if a configuration variable is set
LIBRARY
shtk_import config
SYNOPSIS
shtk_config_has var_name
DESCRIPTION
The shtk_config_has function checks if the configuration variable
var_name has been previously set by a call to shtk_config_set(3) within
the script or by the user in the configuration file.
Note that shtk_config_has properly distinguishes the case between a
variable that has never been defined and a variable that has been defined
to the empty value.
RETURN VALUES
Returns 0 (true) if var_name has been defined; 1 (false) otherwise.
SEE ALSO
shtk(3), shtk_config(3)
HISTORY
shtk_config_has first appeared in shtk 1.0.
DragonFly 6.5-DEVELOPMENT November 6, 2014 DragonFly 6.5-DEVELOPMENT