View Compilation Error

In file included from 0_0_8851831_15724.cpp:2:
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/unistd.h:10:16: io.h: No such file or directory
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/unistd.h:11:21: process.h: No such file or directory
In file included from 0_0_8851831_15724.cpp:2:
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/unistd.h:37: error: `off_t' has not been declared
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/unistd.h:38: error: `off_t' has not been declared
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/unistd.h: In function `int ftruncate(int, int)':
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/unistd.h:40: error: `_chsize' undeclared (first use this function)
GCC/bin/../lib/gcc/mingw32/3.4.2/../../../../include/unistd.h:40: error: (Each undeclared identifier is reported only once for each function it appears in.)