Remove ucore_ prefix from headers and source files

src/sprintbs.c

@@ -0,0 +1,20 @@
+#include <stdint.h>
+#include <stddef.h>
+#include "ucore/string.h"
+
+char*
+uc_sprintbs(char *result, unsigned short value)
+{
+	char *s = result;
+	unsigned  short mask = ~((unsigned short) (~0) >> 1);
+
+	if (s) {
+		while (mask) {
+			*s++ = (mask & value) ? '1' : '0';
+			mask >>= 1;
+		}
+		*s = '\0';
+	}
+
+	return result;
+}