View Compilation Error

0_0_4345391_2055.c:2: error: syntax error before "fun"
0_0_4345391_2055.c: In function `fun':
0_0_4345391_2055.c:4: error: `true' undeclared (first use in this function)
0_0_4345391_2055.c:4: error: (Each undeclared identifier is reported only once
0_0_4345391_2055.c:4: error: for each function it appears in.)
0_0_4345391_2055.c:7: error: `false' undeclared (first use in this function)