void rasqal_variable_set_value (rasqal_variable* v, rasqal_literal * e);
void rasqal_variable_set_value
the rasqal_variable object
rasqal_variable
the rasqal_literal value to set (or NULL)
rasqal_literal
The variable value is an input parameter and is copied in, not shared. If the variable value is NULL, any existing value is deleted.