The vs_lookup_config_var function finds the value of a configuration variable for a given virtual server.
Do not FREE the returned string.
const char* vs_lookup_config_var(const VirtualServer* vs, const char* name);
A pointer to a string representing the value of variable name on success, or NULL if variable name was not found. Do not FREE this string.
const VirtualServer* vs represents the virtual server of interest.
const char* name is the name of the configuration variable.