$ls connect1-p1.c $cp connect1-p1.c connect1-p2.c $emacs connect1-p2.c $gcc -lmysqlclient -g -L/usr/lib/mysql connect1-p2.c $./a.out mysql_init failed $echo $? 1 $./a.out 2> error.txt $cat error.txt mysql_init failed $emacs connect1-p2.c $gcc -lmysqlclient -g -L/usr/lib/mysql connect1-p2.c $./a.out mysql_init failed $./a.out 2> error.txt mysql_init failed $cat error.txt $