bitwidth warning compiling cbits.c about wybe HOT 3 CLOSED

clang  -I /usr/local/include -c "wybelibs/cbits.c" -o "wybelibs/cbits.o"
wybelibs/cbits.c:16:36: warning: format specifies type 'long long' but the argument has type 'int64_t' (aka 'long') [-Wformat]
    return (int64_t)printf("%lld", x);
                            ~~~~   ^
                            %ld
wybelibs/cbits.c:28:43: warning: format specifies type 'long long' but the argument has type 'int64_t' (aka 'long') [-Wformat]
  return (int64_t)fprintf(stderr, "%lld", x);
                                   ~~~~   ^
                                   %ld
wybelibs/cbits.c:51:19: warning: format specifies type 'long long *' but the argument has type 'int64_t *' (aka 'long *') [-Wformat]
    scanf("%lld", &x);
           ~~~~   ^~
           %ld