facture.c:50:19: error: use of undeclared identifier 'fart'
                tart[i]=lireArt(fart.txt) ;
                                ^
facture.c:59:10: error: passing 'Article' to parameter of incompatible type
      'const char *'
                printf(tart[i]) ;
                       ^~~~~~~
/usr/include/stdio.h:259:36: note: passing argument to parameter here
int      printf(const char * __restrict, ...) __printflike(1, 2);
                                       ^
2 errors generated.
In file included from test_facture.c:1:
./facture.h:10:17: error: unknown type name 'FILE'
Article lireArt(FILE *fe) ;