Messages in this thread |  | | Date | Wed, 15 May 1996 04:23:02 +0200 | From | Michael Riepe <> | Subject | Re: getservbyport (fwd) |
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From: Herbert Rosmanith <herp@wildsau.idv.uni-linz.ac.at> [...] > > Use: > > > > if ((serv = getservbyport(htons(23), "tcp")) == NULL) { > ^^^^^^^^^ > > this parameter is not "short", it's an int ! time to the RTfineManual...
The value passed to getservbyport is compared with another integer (s_port in struct servent), which ist set to `ntohs(something)'. In case of telnet, this is ntohs(23) == 0x1700. The value of htonl(23) is 0x17000000 which is *wrong*.
Michael. -- Michael "Tired" Riepe <riepe@ifwsn4.ifw.uni-hannover.de> "Beware the storm that gathers here!" (The Prophet's Song)
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