View Compilation Error

788626_0_0_2589.c:6: error: syntax error before "grid"
788626_0_0_2589.c: In function `main':
788626_0_0_2589.c:30: error: `bool' undeclared (first use in this function)
788626_0_0_2589.c:30: error: (Each undeclared identifier is reported only once
788626_0_0_2589.c:30: error: for each function it appears in.)
788626_0_0_2589.c:30: error: syntax error before "isuncertain"
788626_0_0_2589.c:37: error: `false' undeclared (first use in this function)
788626_0_0_2589.c:56: error: `true' undeclared (first use in this function)
788626_0_0_2589.c:70: error: `isconflict' undeclared (first use in this function)
788626_0_0_2589.c:71: error: `isuncertain' undeclared (first use in this function)