#include #include int main(int argc, char **argv) { MYSQL *mysql = mysql_init(NULL); if (! mysql_real_connect(mysql, "localhost", "root", "", "test", 0, NULL, 0 )) { printf(" mysql_real_connect() failed\n"); exit(3); } while (1) { if (mysql_ping(mysql) == 0) { printf("ping ok\n"); } else { printf("ping failed\n"); } sleep(1); } }