0_0_7760234_7950.c: In function `main':
0_0_7760234_7950.c:5: error: `_int64' undeclared (first use in this function)
0_0_7760234_7950.c:5: error: (Each undeclared identifier is reported only once
0_0_7760234_7950.c:5: error: for each function it appears in.)
0_0_7760234_7950.c:5: error: syntax error before "a"
0_0_7760234_7950.c:9: error: `a' undeclared (first use in this function)
0_0_7760234_7950.c:9: error: `b' undeclared (first use in this function)
0_0_7760234_7950.c:18: error: 'for' loop initial declaration used outside C99 mode
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