View Compilation Error

0_0_8513301_19272.c: In function `chu':
0_0_8513301_19272.c:7: error: 'for' loop initial declaration used outside C99 mode
0_0_8513301_19272.c: In function `pow':
0_0_8513301_19272.c:24: error: 'for' loop initial declaration used outside C99 mode
0_0_8513301_19272.c:26: error: 'for' loop initial declaration used outside C99 mode
0_0_8513301_19272.c:28: error: redefinition of 'j'
0_0_8513301_19272.c:26: error: previous definition of 'j' was here
0_0_8513301_19272.c:28: error: 'for' loop initial declaration used outside C99 mode
0_0_8513301_19272.c: In function `main':
0_0_8513301_19272.c:47: error: 'for' loop initial declaration used outside C99 mode
0_0_8513301_19272.c:51: error: redefinition of 'i'
0_0_8513301_19272.c:47: error: previous definition of 'i' was here
0_0_8513301_19272.c:51: error: 'for' loop initial declaration used outside C99 mode