code: def get_alias(infos):
      
      pairs = []
      for x in infos:
          for y in x:
              if "alias" in y:
                  name = y["name"][0]
                  alias = y["alias"][0].split(',')
                  for name2 in alias:
                      pairs.append((name2.strip(), name))
      return pairs
docs: Get aliases of all parameters.
  
      Parameters
      ----------
      infos : list
          Content of the config header file.
  
      Returns
      -------
      pairs : list
          List of tuples (param alias, param name).