feat: moved block dev loop to a daemon task. Fixed bug in string.c and

main loop

kernel/libc/string.c

@@ -21,7 +21,7 @@ int strlen(const char *str) {
 
 int strcmp(const char *s1, const char *s2) {
     int len1 = strlen(s1);
-    int len2 = strlen(s1);
+    int len2 = strlen(s2);
     return strncmp(s1, s2, maxi(len1, len2));
 }