View Compilation Error

0_0_6393327_10425.c:3:18: cstring: No such file or directory
0_0_6393327_10425.c:4: error: syntax error before "namespace"
0_0_6393327_10425.c: In function `main':
0_0_6393327_10425.c:57: error: 'for' loop initial declaration used outside C99 mode