View Compilation Error

0_0_7430872_20611.c: In function `main':
0_0_7430872_20611.c:13: error: 'for' loop initial declaration used outside C99 mode
0_0_7430872_20611.c:15: error: 'for' loop initial declaration used outside C99 mode
0_0_7430872_20611.c:25: error: redefinition of 'i'
0_0_7430872_20611.c:13: error: previous definition of 'i' was here
0_0_7430872_20611.c:25: error: 'for' loop initial declaration used outside C99 mode
0_0_7430872_20611.c:27: error: 'for' loop initial declaration used outside C99 mode