#include "git2/sys/filter.h" extern git_filter *create_bitflip_filter(void); extern git_filter *create_reverse_filter(const char *attr); extern git_filter *create_erroneous_filter(const char *attr); extern int bitflip_filter_apply( git_filter *self, void **payload, git_buf *to, const git_buf *from, const git_filter_source *source); extern int reverse_filter_apply( git_filter *self, void **payload, git_buf *to, const git_buf *from, const git_filter_source *source);