View Compilation Error

0_0_7826934_8400.c: In function `main':
0_0_7826934_8400.c:12: error: 'for' loop initial declaration used outside C99 mode
0_0_7826934_8400.c:14: error: 'for' loop initial declaration used outside C99 mode
0_0_7826934_8400.c:22: error: redefinition of 'i'
0_0_7826934_8400.c:12: error: previous definition of 'i' was here
0_0_7826934_8400.c:22: error: 'for' loop initial declaration used outside C99 mode
0_0_7826934_8400.c:24: error: 'for' loop initial declaration used outside C99 mode