import ctypes 

malib = ctypes.CDLL("./target/release/libpy.so") 

fct_afficher = malib.afficher 
fct_afficher.argtypes = [ 
	ctypes.c_char_p, 
	ctypes.c_int 
] 
fct_afficher.restype = ctypes.c_int; 

r = fct_afficher( 
	"bonjour - éèà".encode( "utf-8" ), 
	42 
) 

print("le retour est :", r)