4 

     5 err_t irc_nm_parse (struct irc_nm *nm, char *buf, const char *prefix)

     6 {

     7     // too long?

     8     if (strlen(prefix) >= IRC_PREFIX_MAX)

     9         return ERR_INVALID_NM;

    10 

    11     // copy to mutable buffer

    12     strcpy(buf, prefix);

    13 

    14     // mangle tokens

    15     nm->nickname = strsep(&buf, "!");

    16     nm->username = strsep(&buf, "@");

    17 

    18     // did we find the ! and @ tokens?

    19     if (!buf)

    20         // probably a server name instead

    21         return ERR_INVALID_NM;

    22     

    23     // the hostname is then the rest of the prefix

    24     nm->hostname = buf;

    25 

    26     // ok

    27     return SUCCESS;

    28 }