View Compilation Error

0_0_4290722_1200.c: In function `main':
0_0_4290722_1200.c:52: error: redeclaration of 'c' with no linkage
0_0_4290722_1200.c:45: error: previous declaration of 'c' was here
0_0_4290722_1200.c:52: error: 'for' loop initial declaration used outside C99 mode
0_0_4290722_1200.c:67: error: syntax error before '/' token
0_0_4290722_1200.c:73: error: 'for' loop initial declaration used outside C99 mode
0_0_4290722_1200.c:78: error: 'for' loop initial declaration used outside C99 mode