#define MSEC_PER_SEC 1000ULL
#define USEC_PER_SEC 1000000ULL
#define USEC_PER_MSEC 1000ULL
#define MSEC_PER_SEC 1000ULL
#define USEC_PER_SEC 1000000ULL
#define USEC_PER_MSEC 1000ULL
usec_t timespec_load(const struct timespec *ts);
struct timespec *timespec_store(struct timespec *ts, usec_t u);
usec_t timespec_load(const struct timespec *ts);
struct timespec *timespec_store(struct timespec *ts, usec_t u);
bool path_is_absolute(const char *p);
char *path_make_absolute(const char *p, const char *prefix);
char *path_make_absolute_cwd(const char *p);
bool path_is_absolute(const char *p);
char *path_make_absolute(const char *p, const char *prefix);
char *path_make_absolute_cwd(const char *p);
bool chars_intersect(const char *a, const char *b);
char *format_timestamp(char *buf, size_t l, usec_t t);
bool chars_intersect(const char *a, const char *b);
char *format_timestamp(char *buf, size_t l, usec_t t);