#define PROTECT_OPEN (PROTECT_OPEN_WITH_TRAILING_SYMLINKS | O_NOFOLLOW)
extern char *read_file_at(int dfd, const char *fnam, unsigned int o_flags);
#define PROTECT_OPEN (PROTECT_OPEN_WITH_TRAILING_SYMLINKS | O_NOFOLLOW)
extern char *read_file_at(int dfd, const char *fnam, unsigned int o_flags);