新建 RTF 文档.rtf
#include
#defineN5
typedefstructstudent{
longsno;
charname[10];
floatscore[3];
}STU;
voidfun(char*filename,STUn)
{FILE*fp;
/**********found**********/
fp=fopen(filename,"rb+");
/**********found**********/
fseek(fp,-(long)sizeof(STU),S
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