The value of the config will be copied into the buffer.
All config files will be looked into, in the order of their
defined level. A higher level means a higher priority. The
first occurrence of the variable will be returned here.
@param out_ buffer in which to store the string
@param cfg where to look for the variable
@param name the variable's name
@return 0 or an error code
Get the value of a string config variable.
The value of the config will be copied into the buffer.
All config files will be looked into, in the order of their defined level. A higher level means a higher priority. The first occurrence of the variable will be returned here.
@param out_ buffer in which to store the string @param cfg where to look for the variable @param name the variable's name @return 0 or an error code