+
+typedef enum DrawSpecialChar {
+ DRAW_TREE_VERT,
+ DRAW_TREE_BRANCH,
+ DRAW_TREE_RIGHT,
+ DRAW_TREE_SPACE,
+ DRAW_TRIANGULAR_BULLET,
+ _DRAW_SPECIAL_CHAR_MAX
+} DrawSpecialChar;
+const char *draw_special_char(DrawSpecialChar ch);
+
+char *strreplace(const char *text, const char *old_string, const char *new_string);
+
+char *strip_tab_ansi(char **p, size_t *l);
+
+int on_ac_power(void);
+
+int search_and_fopen(const char *path, const char *mode, const char **search, FILE **_f);
+int search_and_fopen_nulstr(const char *path, const char *mode, const char *search, FILE **_f);
+
+#define FOREACH_LINE(line, f, on_error) \
+ for (;;) \
+ if (!fgets(line, sizeof(line), f)) { \
+ if (ferror(f)) { \
+ on_error; \
+ } \
+ break; \
+ } else
+
+#define FOREACH_DIRENT(de, d, on_error) \
+ for (errno = 0, de = readdir(d);; errno = 0, de = readdir(d)) \
+ if (!de) { \
+ if (errno != 0) { \
+ on_error; \
+ } \
+ break; \
+ } else if (ignore_file((de)->d_name)) \
+ continue; \
+ else