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$ ps -ef|grep "ora_"|grep -v grep
oracle 5998 1 0 11:15:59 ? 0:01 ora_j000_PPRD10
oracle 2968 1 0 21:16:57 ? 0:00 ora_q000_PPRD10
oracle 2927 1 0 21:16:33 ? 0:00 ora_pmon_PPRD10
oracle 2933 1 0 21:16:34 ? 0:07 ora_dbw0_PPRD10
oracle 2945 1 0 21:16:34 ? 0:02 ora_mmon_PPRD10
oracle 2931 1 0 21:16:33 ? 0:00 ora_mman_PPRD10
oracle 2949 1 0 21:16:34 ? 0:00 ora_d000_PPRD10
oracle 2970 1 0 21:16:57 ? 0:00 ora_q001_PPRD10
oracle 2935 1 0 21:16:34 ? 0:05 ora_lgwr_PPRD10
oracle 2951 1 0 21:16:34 ? 0:00 ora_s000_PPRD10
oracle 2939 1 0 21:16:34 ? 0:06 ora_smon_PPRD10
oracle 2957 1 0 21:16:47 ? 0:00 ora_qmnc_PPRD10
oracle 2943 1
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fprintf(fp, "%s", strerror(errno))
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#include <stdio.h>
#include <stdlib.h>
#include<errno.h>
int main(void)
{
FILE *fp;
if((fp=fopen("aaa.txt","r+"))==NULL)
{
puts("²»ÄܽøÈ ......
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#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/msg.h>
int msgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg);
ssize_t msgrcv ......