C语言学习

(i=0;(ch=fgetc(fp))!=EOF;i++)\r{c[i]=ch;\rputchar(c[ij);\r)\rfclose(fp);\rni=i;\rif((fp=fopen(,,Bn,V ,))==NULL)\r{printf(nfile B cannot be opened\n");\rexit(O);)\rprintf(”\n B contents are :\nH);\rfor(i=0;(ch=fgetc(fp))!=EOF;i++)\r{c[i]=ch;\rputchar(c[i]);\r)\rfclose(fp);\rn=i;\rfor(i=0;i<n;i++)\rfor(j=i+l;j<n;j++).\rif(c[i]>c[j])\r{t=c[i];c[i]=c[j];c[j]=t;)\rprintf("\n C file is:\n");\rfp=fopen(,,C,,,uw,');\rfor(i=0;i<n;i++)\r{ putc(c[i],fp);\rputchar(c[i]);\r)\rfclose(fp);\r? ? 100K\r?6L@MNO@MN63 PQ0%R 1STU(VWMNXYZ[PQ%R),\r]^)_`%Rab60TU8]^c0_`\rT/:d*+,“stud”-?\r1 .\r??\r2 .???\r#include "stdio.h"\rstruct student\r{ char num[6];\rchar namel8J;\rint score[3];\rfloat avr;\r} stu[5];\rmain()\r{int i,j,sum;