Track slstatus source files

.suckless/slstatus/util.h

@@ -0,0 +1,16 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdint.h>
+
+extern char buf[1024];
+
+#define LEN(x) (sizeof (x) / sizeof *(x))
+
+extern char *argv0;
+
+void warn(const char *, ...);
+void die(const char *, ...);
+
+int esnprintf(char *str, size_t size, const char *fmt, ...);
+const char *bprintf(const char *fmt, ...);
+const char *fmt_human(uintmax_t num, int base);
+int pscanf(const char *path, const char *fmt, ...);