View Compilation Error

0_0_8557648_13285.c: In function `main':
0_0_8557648_13285.c:35: error: `bool' undeclared (first use in this function)
0_0_8557648_13285.c:35: error: (Each undeclared identifier is reported only once
0_0_8557648_13285.c:35: error: for each function it appears in.)
0_0_8557648_13285.c:35: error: syntax error before "bStartOutput"
0_0_8557648_13285.c:38: error: `bStartOutput' undeclared (first use in this function)
0_0_8557648_13285.c:44: error: `true' undeclared (first use in this function)