if.h(3head) [centos man page]

if.h(3HEAD)                                                           Headers                                                          if.h(3HEAD)

NAME

       if.h, if - sockets local interfaces

SYNOPSIS

       #include <net/if.h>

DESCRIPTION

       The <net/if.h> header defines the if_nameindex structure, which includes the following members:

       unsigned if_index     /* numeric index of the interface */
       char     *if_name     /* null-terminated name of the interface */

       The  <net/if.h>  header defines the following macro for the length of a buffer containing an interface name (including the terminating null
       character):

       IF_NAMESIZE     interface name length

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Interface Stability          |Standard                     |
       +-----------------------------+-----------------------------+

SEE ALSO

       if_nametoindex(3XNET), attributes(5), standards(5)

SunOS 5.10                                                          10 Sep 2004                                                        if.h(3HEAD)