c
static void my_function(const void *sb, const void *se, size_t len) {
    if (se < sb || (size_t)(se - sb) > len) { // Validate pointer order and size
        // Handle invalid input!
        return; 
    }

    char* buffer = malloc(len);
    if (buffer == NULL) {
        return; 
    }

    memcpy(buffer, sb, (se - sb)); // Now safe as pointers and size are validated

    free(buffer);
}
