Set the value of a long integer config variable in the config file with the highest level (usually the local one).
@param cfg where to look for the variable @param name the variable's name @param value Long integer value for the variable @return 0 or an error code
See Implementation
Set the value of a long integer config variable in the config file with the highest level (usually the local one).
@param cfg where to look for the variable @param name the variable's name @param value Long integer value for the variable @return 0 or an error code