perror() example

#include <stdio.h>

#include <errno.h>

int main( void )

{

int returnVal;

printf( "x2 before the execlp, pid=%d\n", getpid() );

returnVal = execlp( "nonexistent_file", (char *) 0 );

if( returnVal == -1 )

perror( "x2 failed" );

return( 1 );

}

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