#ifndef WRITE_FULL_H #define WRITE_FULL_H /* Write data into file. Returns -1 if error occurred, or 0 if all was ok. If there's not enough space in device, -1 with ENOSPC is returned, and it's unspecified how much data was actually written. */ int write_full(int fd, const void *data, size_t size); int pwrite_full(int fd, const void *data, size_t size, off_t offset); #endif