C部分
#include <stdio.h>
#define MAXLEN 16384
FILE *f;
long offset=12345;
long len=678;
char str[MAXLEN];
void main(char *msg) {
//char *msg="D:\\WisePOM_base\\rawsitedata\\20150211\\001@20150211165316.txt";
char str2[MAXLEN];
int *p1 = (int*)0;
int *p2 = (int*)888;
int n = (int)p1;
int m = (int)p2;
strncpy(str2,msg,sizeof(str2));
f=fopen(str2,"rb");
fseek(f,n,SEEK_SET);
fread(str,1,m,f);
fclose(f);
str[len]=0;
printf("%s",str);
system("pause");
return str;
}


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