0_0_8104512_21727.c:10: error: syntax error before "Point"
0_0_8104512_21727.c:12: error: syntax error before '}' token
0_0_8104512_21727.c:21: error: syntax error before '&' token
0_0_8104512_21727.c: In function `cross':
0_0_8104512_21727.c:23: error: `p1' undeclared (first use in this function)
0_0_8104512_21727.c:23: error: (Each undeclared identifier is reported only once
0_0_8104512_21727.c:23: error: for each function it appears in.)
0_0_8104512_21727.c:23: error: `p0' undeclared (first use in this function)
0_0_8104512_21727.c:23: error: `p2' undeclared (first use in this function)
0_0_8104512_21727.c: At top level:
0_0_8104512_21727.c:25: error: syntax error before "is_cross"
0_0_8104512_21727.c:25: error: syntax error before '&' token
0_0_8104512_21727.c: In function `is_cross':
0_0_8104512_21727.c:27: error: `p' undeclared (first use in this function)
0_0_8104512_21727.c:27: error: `q' undeclared (first use in this function)
0_0_8104512_21727.c:33: error: `true' undeclared (first use in this function)
0_0_8104512_21727.c:34: error: `false' undeclared (first use in this function)
0_0_8104512_21727.c: In function `main':
0_0_8104512_21727.c:41: error: 'for' loop initial declaration used outside C99 mode
0_0_8104512_21727.c:43: error: request for member `a' in something not a structure or union
0_0_8104512_21727.c:43: error: request for member `a' in something not a structure or union
0_0_8104512_21727.c:43: error: request for member `b' in something not a structure or union
0_0_8104512_21727.c:43: error: request for member `b' in something not a structure or union
0_0_8104512_21727.c:44: error: request for member `flag' in something not a structure or union
0_0_8104512_21727.c:47: error: redefinition of 'i'
0_0_8104512_21727.c:41: error: previous definition of 'i' was here
0_0_8104512_21727.c:47: error: 'for' loop initial declaration used outside C99 mode
0_0_8104512_21727.c:49: error: 'for' loop initial declaration used outside C99 mode
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