(Environment: MacOS 10.12.6) Run testmysql after completing the following operations:
1.install mysql
2.update password
"mysql -u root -p xuge0754"
3.create database test
"myqsl -u root -p"
"xuge0754"
"create database test;"
"exit;"
4.cd to testmysql.c directory
"gcc -c testmysql.c -I /usr/local/mysql/include/" --the mysql cflag path
"gcc testmysql.o -o testmysql -L /usr/local/mysql/lib -lmysqlclient" --the mysql lib and c api path
"./testmysql" --run testmysql