Nilsimsa.xs: In function ‘XS_Digest__Nilsimsa_text2digest’:
Nilsimsa.xs:72:11: warning: implicit declaration of function ‘clear’ [-Wimplicit-function-declaration]
   72 |           clear(&gunma);
      |           ^~~~~
Nilsimsa.xs:77:11: warning: implicit declaration of function ‘makecode’ [-Wimplicit-function-declaration]
   77 |           makecode(&gunma);
      |           ^~~~~~~~