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[QUOTE="Neel, post: 2544962"]
1)
I did the same thing what you told me to do.

#include <stdlib.h>
   #include <sys/types.h>
   #include <sys/wait.h>

int ping_ret, status;

status = system("ping -w 2 192.168.0.2");

if (-1 != status)
     ping_ret = WEXITSTATUS(status);

But, even if ethernet cable is connected or not to the remote host, I
always get "Ping_ret" = 0.

2)
I also tried popen:

char   psBuffer[1024];
	   FILE   * fdRTP;

if( (fdRTP = popen( "ping -c 1 192.168.0.2", "r" )) == NULL )
	   {
			FSLog(LOG_ERROR, "AebEthernetTest::HandleDmseCommand(): Failed to
create Pipe");
			error_code = AEB_DPI_INIFILEREADERR;
	   }

else
	   {
		 /* Read this pipe and print to the stdout until end of file */
		   while( !feof( fdRTP ) )
		  {
		        if( fread( psBuffer, sizeof(char), 1024, fdRTP ) )
				{
					if(0 == strcmp(psBuffer,"0% loss"))
					{
						result = TRUE;
					}
				}
		   }
		}

/* Close pipe */
	   pclose( fdRTP );

But, in this case, its not even "Ping".

I have also posted this question on comp.unix.programmer.

Help me guys.
[/QUOTE]

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