C语言基础实训

\rchar addr[30];\r);\rint main()\r(\rFILE *fp,*fpl;\rstudent s[4];\rfloat y;\rint x ;\rint i;\rchar a[80],d[80];\rint b,c;\rfbr(x=0;x<4;x++)\r{\rscanf("%s %d %d %sn,s[x].name,&s[x].num,&s[x].age,s[x].addr);\r}\rif((S=fbpen(”D:\ 9:;\ =>?Wtext004.txt“ Jwb”l==NULL)\r{ printff'cannot open file\nH);\rexit(0); }\rfbr(x=0;x<4;x-H-)\r{\rfprintf(fp,n%s %d %d %s\nn,s[x].name,s[x].num,s[x].age,s[x].addr);\r)\rfclose(fp);\rif(( l=fbpen(”D:\ 9:; \ =>? \text004.txt”[Tb"))=NULL)\r{ printf(ncannot open file\nH);.\rexit(O); }\rfor(i=0;i<4;i++)\r{\rfscanf(fp 1 ,"%sn,a);\rfscanf(fpl,u%du,&b);\rfscanf(fpl,n%d",&c);\rfscanf(fp l,"%sn,d);\rprintf(n%s n,a);\rprintf(n%d ",b);\rprintf(n%d ",c);\rprintf(n%s\nH,d);\rfclose(fpl);\rreturn 0;