View Compilation Error

0_0_7672143_9012.c:8: error: syntax error before '&' token
0_0_7672143_9012.c: In function `rs':
0_0_7672143_9012.c:10: error: request for member `x' in something not a structure or union
0_0_7672143_9012.c:10: error: `p1' undeclared (first use in this function)
0_0_7672143_9012.c:10: error: (Each undeclared identifier is reported only once
0_0_7672143_9012.c:10: error: for each function it appears in.)
0_0_7672143_9012.c:10: error: request for member `x' in something not a structure or union
0_0_7672143_9012.c:10: error: request for member `y' in something not a structure or union
0_0_7672143_9012.c:10: error: request for member `y' in something not a structure or union
0_0_7672143_9012.c: In function `main':
0_0_7672143_9012.c:25: error: 'for' loop initial declaration used outside C99 mode