请帮我解释一下这几行代码unix c

新进公司,要学习unix c c++ oracle 等.....实习期时间不多,只有请教各位师长,要是有人愿意带小弟一两个月就好了.进的是亚信,跟移动作BOSS的.


*UNIX*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
/* TUXEDO */
#include <atmi.h>
//#include <Uunix.h>
#include <userlog.h>
/*FML Header*/
#include <fml32.h>
#include <fml1632.h>

#include "../include/CBill.h "
#include "../include/ucisflds.h "
#include "../include/TuxCall.h "
#include "../include/Exception.h "
//#include "./ac_func.cpp "


/*proc required statement*/
EXEC SQL INCLUDE sqlca;
EXEC SQL INCLUDE sqlda;
EXEC SQL INCLUDE oraca;


int
#if defined(__STDC__) || defined(__cplusplus)
tpsvrinit(int argc, char **argv)
#else
tpsvrinit(argc,argv)
int argc;
char **argv;
#endif
{

if (tpopen() == -1){
(void)userlog( "tpsvrinit: failed to open database due to ");
switch (tperrno){
case TPEOS:
//(void)userlog( "tpopen failed, Unix error %d\n ",Uunixerr);
break;
case TPERELEASE:
(void)userlog( "tpopen failed, Incompatible release\n ");
break;
default:
(void)userlog( "tpopen failed, tperrno: %d\n ",tperrno);
}
argv = argv; argc = argc;
return(-1);
}
return(0);
}

void
tpsvrdone()
{

if (tpclose() == -1){
(void)userlog( "tpsrvdone: failed to close database due to ");
switch (tperrno){
case TPEOS:
//(void)userlog( "tpclose failed, Unix error %d\n ", Uunixerr);
break;
case TPERELEASE:
(void)userlog( "tpclose failed, Incompatible release\n ");
break;
default:
(void)userlog( "tpclose failed, tperrno: %d\n ",tperrno);
}
}
}

[解决办法]
proc + tuxedo
[解决办法]
看看 C语言嵌入SQL 编程