int Mono_Posix_Syscall_remap_file_pages (void* start, guint64 size, int prot, gint64 pgoff, int flags);
int Mono_Posix_Syscall_removexattr (const char* path, const char* name);
int Mono_Posix_Syscall_rewinddir (void* dir);
int Mono_Posix_Syscall_seekdir (void* dir, gint64 offset);
gint64 Mono_Posix_Syscall_send (int socket, void* message, guint64 length, int flags);
gint64 Mono_Posix_Syscall_sendfile (int out_fd, int in_fd, gint64* offset, guint64 count);
int Mono_Posix_Syscall_remap_file_pages (void* start, guint64 size, int prot, gint64 pgoff, int flags);
int Mono_Posix_Syscall_removexattr (const char* path, const char* name);
int Mono_Posix_Syscall_rewinddir (void* dir);
int Mono_Posix_Syscall_seekdir (void* dir, gint64 offset);
gint64 Mono_Posix_Syscall_send (int socket, void* message, guint64 length, int flags);
gint64 Mono_Posix_Syscall_sendfile (int out_fd, int in_fd, gint64* offset, guint64 count);