View Compilation Error

0_0_9387001_16619.c: In function `main':
0_0_9387001_16619.c:6: error: `_int64' undeclared (first use in this function)
0_0_9387001_16619.c:6: error: (Each undeclared identifier is reported only once
0_0_9387001_16619.c:6: error: for each function it appears in.)
0_0_9387001_16619.c:6: error: syntax error before "a"
0_0_9387001_16619.c: At top level:
0_0_9387001_16619.c:22: error: syntax error before string constant
0_0_9387001_16619.c:22: error: conflicting types for 'printf'
0_0_9387001_16619.c:22: note: a parameter list with an ellipsis can't match an empty parameter name list declaration
0_0_9387001_16619.c:22: error: conflicting types for 'printf'
0_0_9387001_16619.c:22: note: a parameter list with an ellipsis can't match an empty parameter name list declaration