1getprotobyname(3z)         z88dk Programmer's Manual        getprotobyname(3z)
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NAME

6       getprotobyname, getprotobynumber  - get protocol entry
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SYNOPSIS

9       #include <net/resolv.h>
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11       int getprotobyname(char *name);
12       char *getprotobynumber(int protocol, char * buf);
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DESCRIPTION

15       The  getprotobyname() function returns the standard number for the pro‐
16       tocol with the name  name.  If  no  protocol  is  known  then  NULL  is
17       returned.
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19       The  getprotobynumber()  function copies into buf (and returns buf) the
20       protocol matching the protocol. If no protocol is known  then  protocol
21       is returned in ASCII form.
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RETURN VALUE

25       Detailed above.
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NOTES

29       These  functions  use a lookup table compiled into the ZSock kernel, it
30       is not likely that method will change in the near future.
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AUTHOR

34       Dominic Morris <dom@jb.man.ac.uk>
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38                               18 February 2000             getprotobyname(3z)
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