inet_aton Subroutine
Purpose
Converts an ASCII string into an Internet address.
Library
Standard C Library (libc.a)
Syntax
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>Description
The inet_aton subroutine takes an ASCII string representing the Internet address in dot notation and converts it into an Internet address.
All applications containing the inet_aton subroutine must be compiled with _BSD set to a specific value. Acceptable values are 43 and 44. In addition, all socket applications must include the BSD libbsd.a library.
Parameters
| Item | Description |
|---|---|
| CharString | Contains the ASCII string to be converted to an Internet address. |
| InternetAddr | Contains the Internet address that was converted from the ASCII string. |
Return Values
Upon successful completion, the inet_aton subroutine returns 1 if CharString is a valid ASCII representation of an Internet address.
The inet_aton subroutine returns 0 if CharString is not a valid ASCII representation of an Internet address.
Files
| Item | Description |
|---|---|
| /etc/hosts | Contains host names. |
| /etc/networks | Contains network names. |