View Compilation Error

1049873_0_0_170.c: In function `main':
1049873_0_0_170.c:4: error: `_int64' undeclared (first use in this function)
1049873_0_0_170.c:4: error: (Each undeclared identifier is reported only once
1049873_0_0_170.c:4: error: for each function it appears in.)
1049873_0_0_170.c:4: error: syntax error before "a"
1049873_0_0_170.c:5: error: `a' undeclared (first use in this function)
1049873_0_0_170.c:5: error: `b' undeclared (first use in this function)
1049873_0_0_170.c:6: error: stray '\163' in program
1049873_0_0_170.c:6: error: stray '\187' in program
1049873_0_0_170.c:7: error: syntax error before "return"