一个最简单的pro*c程序

一个最简单的pro*c程序

环境：hpux,oracle 9.1.2.0 ,cc

#include  < stdio.h >
#include  < string.h >
#include  < stdlib.h >
EXEC  SQL include sqlca;
EXEC  ORACLE  OPTION  (RELEASE_CURSOR  =  YES);
EXEC  SQL  BEGIN   DECLARE  SECTION;
                 VARCHAR  username [ 20 ] ;
                 VARCHAR  password [ 20 ] ;
EXEC  SQL  END   DECLARE  SECTION;

void sql_error()
{
                 EXEC  SQL WHENEVER SQLERROR  CONTINUE ;
                printf("\n Oracle error detected:\n");
                printf("\n % .70s\n",sqlca.sqlerrm.sqlerrmc);
                 EXEC  SQL  ROLLBACK  RELEASE;
exit ( 1 );
}

main()
{
                strcpy(username.arr,"gdnum_true");
                strcpy(password.arr,"gdnumtrue_10");
                username. len = strlen(username.arr);
                password. len = strlen(password.arr);


                 EXEC  SQL CONNECT :username IDENTIFIED  BY  :password;
                printf("sqlca.sqlcode =% d;\n",sqlca.sqlcode);
                printf("login  user =% s",username.arr);
                 exit ( 0 );
}

proc pro1.pc
cc -o pro1 pro1.c -L $ORACLE_HOME/lib32 -lclntsh
不作文字说明，只作例程记载