View Compilation Error

0_0_4390612_21653.c:12: error: syntax error before '&' token
0_0_4390612_21653.c: In function `Display':
0_0_4390612_21653.c:15: error: 'for' loop initial declaration used outside C99 mode
0_0_4390612_21653.c:18: error: `r' undeclared (first use in this function)
0_0_4390612_21653.c:18: error: (Each undeclared identifier is reported only once
0_0_4390612_21653.c:18: error: for each function it appears in.)
0_0_4390612_21653.c:19: error: 'for' loop initial declaration used outside C99 mode
0_0_4390612_21653.c: In function `main':
0_0_4390612_21653.c:34: error: 'for' loop initial declaration used outside C99 mode
0_0_4390612_21653.c:42: error: 'for' loop initial declaration used outside C99 mode