View Compilation Error

0_0_37998274_28505.c: In function 'main':
0_0_37998274_28505.c:14:9: error: 'for' loop initial declarations are only allowed in C99 or C11 mode
         for (int i = 2; i < 49; i++)
         ^
0_0_37998274_28505.c:14:9: note: use option -std=c99, -std=gnu99, -std=c11 or -std=gnu11 to compile your code