是条件编译的有关问题吗

是条件编译的问题吗？

typedef struct {
  /* /proc/&lt;PID&gt;/stat */
    pid_tpid;        /* %d  */
    charcomm[FNAME_BUFLEN+1];/* %s  */
    charstate;        /* %c  */
    charpad1[2];                /* %s  */
    pid_tppid;        /* %d  */
    pid_tpgrp;        /* %d  */
    pid_tsession;        /* %d  */
    inttty_nr;        /* %d  */
    inttpgid;        /* %d  */
charspace1[4];        /* boundary adjustment */
#if _EL6_
    UINT32flags;        /* %u */
#else
    ULONGflags;        /* %lu */
#endif
    ULONGmin_flt;        /* %lu */
    ULONGcmin_flt;        /* %lu */
    ULONGmaj_flt;        /* %lu */
    ULONGcmaj_flt;/* %lu */
    ULONGutime;/* %lu */
    ULONGstime;/* %lu */
    longcutime;/* %ld */
    longcstime;/* %ld */
    longpriority;/* %ld */
    longnice;/* %ld */
intnum_threads;/* %d  */
charspace2[4];/* boundary adjustment */
    longit_real_value;/* %ld */
unsigned long long
start_time;/* %llu */
    ULONGvsize;/* %lu */
    longrss;/* %ld */
    ULONGrlim;/* %lu */
    ULONGstart_code;/* %lu */
    ULONGend_code;/* %lu */
    ULONGstart_stack;/* %lu */
    ULONGkstkesp;/* %lu */
    ULONGkstkeip;/* %lu */
    ULONGsignal;/* %lu */
    ULONGblocked;/* %lu */
    ULONGsigignore;/* %lu */
    ULONGsigcatch;/* %lu */
    ULONGwchan;/* %lu */
ULONGreserve1;/* %lu */
    ULONGreserve2;/* %lu */
    intexit_signal;/* %d  */
    intprocessor;/* %d  */
#if _EL6_
    UINT32rt_priority;/* %u */
    UINT32policy;/* %u */
#elif _EL5_
    ULONGrt_priority;/* %lu */ 
 
    ULONGpolicy;/* %lu */
#endif
unsigned long long
delayacct_blkio_ticks;/* %llu */
#if _EL6_
    ULONGguest_time;/* %lu */
    longcguest_time;/* %ld */
#endif
/* /proc/&lt;PID&gt;/status */
    int32_tuid;        /* %d  */
    /* /proc/&lt;PID&gt;/cmdline */
    charargs[ARGS_BUFLEN+1];/* psargs buffer [81]*/
    charpad2[3];
} PROC_ST;/* 32bit:256 bytes / 64bit:392 bytes */

以上是结构体的定义。

int main()
{
PROC_STlp_st;
charpathname[64], buf[512], cmd[32];
FILE*fp;
intres;
spf(pathname, "/proc/%s/stat", pidstr);
fp = fopen(pathname, "r");
res = sscanf(buf, PROC_FRM,
&lp_st.pid, /* %d *//* pid */
cmd, /* (%s) *//* fname */
&lp_st.state, /* %c */
&lp_st.ppid, /* %d *//* ppid */
&lp_st.pgrp, /* %d */
&lp_st.session, /* %d */
&lp_st.tty_nr, /* %d */
&lp_st.tpgid, /* %d */
&lp_st.flags, /* %lu */
&lp_st.min_flt, /* %lu */
&lp_st.cmin_flt, /* %lu */
&lp_st.maj_flt, /* %lu */
&lp_st.cmaj_flt, /* %lu */
&lp_st.utime, /* %lu */
&lp_st.stime, /* %lu */
&lp_st.cutime, /* %ld */
&lp_st.cstime, /* %ld */
&lp_st.priority, /* %ld */

&lp_st.nice, /* %ld */
&lp_st.num_threads, /* %d */
&lp_st.it_real_value, /* %ld */
&lp_st.start_time, /* %llu *//* start_time */
&lp_st.vsize, /* %lu */
&lp_st.rss, /* %ld */
&lp_st.rlim, /* %lu */
&lp_st.start_code, /* %lu */
&lp_st.end_code, /* %lu */
&lp_st.start_stack, /* %lu */
&lp_st.kstkesp, /* %lu */
&lp_st.kstkeip, /* %lu */
&lp_st.signal, /* %lu */
&lp_st.blocked, /* %lu */
&lp_st.sigignore, /* %lu */
&lp_st.sigcatch, /* %lu */
&lp_st.wchan, /* %lu */
&lp_st.reserve1, /* %lu */
&lp_st.reserve2, /* %lu */
&lp_st.exit_signal, /* %d */
&lp_st.processor, /* %d */
&lp_st.rt_priority, /* %lu */

#ifdef _EL6_
&lp_st.policy, /* %lu */
&lp_st.delayacct_blkio_ticks, /* %llu */
&lp_st.guest_time, /* %lu */
&lp_st.cguest_time); /* %ld */
#else
&lp_st.policy, /* %lu */
&lp_st.delayacct_blkio_ticks); /* %llu */
#endif
}

gcc -D_EL6_ de 时候老是报错说：
结构体PROC_ST中没有成元：
flags到cguest_time;
-D_EL5_没有问题;
求大神解答，是不是条件编译出了什么问题？

[解决办法]
#ifdef 吧，不是#if
[解决办法]
#if _EL6_的话得类似#define _EL6_ 1这样的情况才能进去吧
个人理解，欢迎指正
[解决办法]
-D_EL5_没有问题;把_EL6_和_EL5_对调一下测试测试.

是条件编译的有关问题吗

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