View Compilation Error

0_0_7441392_17892.c: In function `main':
0_0_7441392_17892.c:10: error: 'for' loop initial declaration used outside C99 mode
0_0_7441392_17892.c:13: error: 'for' loop initial declaration used outside C99 mode
0_0_7441392_17892.c:18: error: `return0' undeclared (first use in this function)
0_0_7441392_17892.c:18: error: (Each undeclared identifier is reported only once
0_0_7441392_17892.c:18: error: for each function it appears in.)