View Compilation Error

0_0_1256724_12623.c: In function `init':
0_0_1256724_12623.c:11: error: 'for' loop initial declaration used outside C99 mode
0_0_1256724_12623.c: In function `act':
0_0_1256724_12623.c:40: error: syntax error before '/' token
0_0_1256724_12623.c: In function `run':
0_0_1256724_12623.c:57: error: 'for' loop initial declaration used outside C99 mode