Remove ucore_ prefix from headers and source files

src/pjwhash.c

@@ -0,0 +1,19 @@
+#include "ucore/hash.h"
+
+uint32_t
+uc_pjwhash(const char *str,size_t len)
+{
+
+	unsigned  h = 0, g;
+
+	while (len--) {
+		h = (h << 4) + *str++;
+		if ((g = h & 0xf0000000)) {
+			h ^= (g >> 24);
+			h ^= g;
+		}
+	}
+
+	return h;
+}
+