shtk_config_has man page on DragonFly

shtk_config_has man page on DragonFly

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SHTK_CONFIG_HAS(3)	 BSD 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 vari‐
     able 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.

BSD			       November 6, 2014				   BSD

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