inet_ntoa()

Updated: April 19, 2023

Convert an Internet address into a string

Synopsis:

#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

char * inet_ntoa( struct in_addr in );

Arguments:

in
The Internet address that you want to convert.

Library:

libsocket

Use the -l socket option to qcc to link against this library.

Description:

The inet_ntoa() routine converts an IPv4 Internet address into an ASCII string representing the address in dot notation (for example, “127.0.0.1”).

For more information on Internet addresses, see inet_net_ntop().

Returns:

A string representing an Internet address.

Classification:

POSIX 1003.1

Safety:  
Cancellation point No
Interrupt handler No
Signal handler No
Thread No

Caveats:

The string returned by this function is stored in a static buffer that's reused for every call to inet_ntoa(). For a thread-safe version, see inet_ntoa_r().