SHIM {
    global: *;
    local:
        shim_do_*; __shim_*; init_*;
        strlen; atoi; strcat; strncat; strncpy; strcpy;
        strchr; strcmp; strncmp; strrchr; __tolower; __toupper;
        memcpy; memmove; memset; memcmp;
        __htonl; __ntohl; __htons; __ntohs; inet_pton;
        vfputchar; vfputs; vfprintf; snprintf;
        malloc; free; malloc_copy;
};
