Linux Standard Base Specification 1.3
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getservbyname

Name

getservbyname -- get service entry by name

Synopsis

#include <netdb.h>

struct servent *getservbyname(const char *name, const char *proto);

Description

getservbyname returns a servent structure for the line from /etc/services that matches the service name using protocol proto.

The servent structure is defined in netdb.h as follows: 
  struct servent {
              char  *s_name;      /* official service name */
              char  **s_aliases;  /* alias list */
              int   s_port;       /* port number */
              char  *s_proto;     /* protocol to use */
  }

Return Value

getservbyname returns the servent structure, or a NULL pointer if an error occurs or the end of the file is reached.

Files

/etc/services services database file

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