View Compilation Error

0_0_7223793_5264.c: In function `main':
0_0_7223793_5264.c:4: error: `_int64' undeclared (first use in this function)
0_0_7223793_5264.c:4: error: (Each undeclared identifier is reported only once
0_0_7223793_5264.c:4: error: for each function it appears in.)
0_0_7223793_5264.c:4: error: syntax error before "P"
0_0_7223793_5264.c: At top level:
0_0_7223793_5264.c:21: error: syntax error before "P"
0_0_7223793_5264.c: In function `P':
0_0_7223793_5264.c:23: error: `_int64' undeclared (first use in this function)
0_0_7223793_5264.c:23: error: syntax error before "s"
0_0_7223793_5264.c:28: error: `s' undeclared (first use in this function)