View Compilation Error

0_0_8921490_1120.c:2: error: syntax error before "prime"
0_0_8921490_1120.c: In function `prime':
0_0_8921490_1120.c:10: error: `false' undeclared (first use in this function)
0_0_8921490_1120.c:10: error: (Each undeclared identifier is reported only once
0_0_8921490_1120.c:10: error: for each function it appears in.)
0_0_8921490_1120.c:15: error: `true' undeclared (first use in this function)