View Compilation Error

0_0_4673520_19962.c:14: error: syntax error before "in"
0_0_4673520_19962.c: In function `spfa':
0_0_4673520_19962.c:61: error: `false' undeclared (first use in this function)
0_0_4673520_19962.c:61: error: (Each undeclared identifier is reported only once
0_0_4673520_19962.c:61: error: for each function it appears in.)
0_0_4673520_19962.c:65: error: `true' undeclared (first use in this function)