Add a "fork" of musl as //fusl.

fusl/src/search/lsearch.c

+#include <search.h>
+#include <string.h>
+
+void *lsearch(const void *key, void *base, size_t *nelp, size_t width,
+        int (*compar)(const void *, const void *))
+{
+        char (*p)[width] = base;
+        size_t n = *nelp;
+        size_t i;
+
+        for (i = 0; i < n; i++)
+                if (compar(p[i], key) == 0)
+                        return p[i];
+        *nelp = n+1;
+        return memcpy(p[n], key, width);
+}
+
+void *lfind(const void *key, const void *base, size_t *nelp,
+        size_t width, int (*compar)(const void *, const void *))
+{
+        char (*p)[width] = (void *)base;
+        size_t n = *nelp;
+        size_t i;
+
+        for (i = 0; i < n; i++)
+                if (compar(p[i], key) == 0)
+                        return p[i];
+        return 0;
+}
+
+