time Utility for working with time/dates

user/time/main.c

@@ -0,0 +1,24 @@
+#include <stdint.h>
+#include <stddef.h>
+#include <ulib.h>
+
+#define CMDS(X)                     \
+  X(now)
+
+void main(void) {
+  if (argslen() == 0) {
+    return;
+  }
+
+  char *cmd = args()[0];
+
+  #define X(name) if (string_strcmp(cmd, #name) == 0) { \
+    extern void tm_ ## name(void); \
+    tm_ ## name(); \
+    return; \
+  }
+  CMDS(X)
+  #undef X
+
+  uprintf("time: unknown command %s\n", cmd);
+}