View Compilation Error

0_0_27168808_2799.c: In function 'main':
0_0_27168808_2799.c:9:5: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
     for(int i = 1; i <= 9; ++i)
     ^
0_0_27168808_2799.c:9:5: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code