📄 ll.cpp
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#include<stdio.h>#include<stdlib.h>#include<string.h>void main(void){ char a [] = "ORA-03114: not connected to ORACLE"; char m[64]; int errno = -1; char* p = NULL; char* p2 = NULL; snprintf(m, 64, "%s", a); if(strncmp(m, "ORA-", 4) == 0) { char* p = &a[4]; char* p2 = strchr(p, ':'); if(p2 -p >= 0) { p[p2-p]=0; errno = atoi(p); printf("%d\n", errno); switch(errno) { case 1: dafault: break; } } }}
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