View Compilation Error

80876_0_22001.c: In function `isPrime':
80876_0_22001.c:9: error: 'for' loop initial declaration used outside C99 mode
80876_0_22001.c: In function `main':
80876_0_22001.c:22: error: 'for' loop initial declaration used outside C99 mode
80876_0_22001.c:23: error: conflicting types for 'i'
80876_0_22001.c:22: error: previous definition of 'i' was here
80876_0_22001.c:23: error: 'for' loop initial declaration used outside C99 mode
80876_0_22001.c:25: error: conflicting types for 'i'
80876_0_22001.c:23: error: previous definition of 'i' was here
80876_0_22001.c:25: error: 'for' loop initial declaration used outside C99 mode