[Tinyos-help] help needed on uint64_t type

[BAI LI]

Hi All,

I have defined a uint64_t type variable as follows:

uint64_t a;
a=0x0000FFFFFFFFFFFF;
printf("a= %lld /n",a);
printf("a= %llx /n",a);

the result displayed as follows:

a= -1
a= ffffffff

The compilation didn't show any error. What is the problem? Does printf
support to display the uint64_t type? Any help would be appreciated!

Regards,
Bai
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