View Compilation Error

0_0_1616764_25808.c: In function `main':
0_0_1616764_25808.c:39: error: 'for' loop initial declaration used outside C99 mode
0_0_1616764_25808.c:42: error: 'for' loop initial declaration used outside C99 mode
0_0_1616764_25808.c:50: error: redefinition of 'i'
0_0_1616764_25808.c:39: error: previous definition of 'i' was here
0_0_1616764_25808.c:50: error: 'for' loop initial declaration used outside C99 mode
0_0_1616764_25808.c:52: error: 'for' loop initial declaration used outside C99 mode