#define NSEC_PER_MSEC 1000000ULL
#define NSEC_PER_USEC 1000ULL
+/* What is interpreted as whitespace? */
+#define WHITESPACE " \t\n"
+
usec_t now(clockid_t clock);
usec_t timespec_load(const struct timespec *ts);
int write_one_line_file(const char *fn, const char *line);
int read_one_line_file(const char *fn, char **line);
+char *strappend(const char *s, const char *suffix);
+
+int readlink_malloc(const char *p, char **r);
+
+char *file_name_from_path(const char *p);
+bool is_path(const char *p);
+
+bool path_is_absolute(const char *p);
+char *path_make_absolute(const char *p, const char *prefix);
+
#endif