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/*

g++ -D__STDC_FORMAT_MACROS -o test_int64 -g -O0 002_grammar_long_long.cpp.cpp

*/

#include <stdio.h>

#include <inttypes.h>

int main(int argc, char** argv){

long long int lli=-900000000000000LL; // 有符号的long long 变量lli

unsigned long long int ulli=-900000000000ULL; // 无符号的 unsigned long long 变量ulli。

int64_t value = 0xFFFFFFFFFFFF;

printf("int64_t=%"PRId64", sizeof(int64_t)=%d\n", value, sizeof(int64_t));

return 0;

}