江南大学现代远程教育 2015计算机语言(C)第3阶段测试题3b

百度文库

Exit(0); } Randomize();

Prinf(“The file is:”);

For(i=o;i<10;i++) { ch=65+random(26); Fputc(ch,fp); putchar(ch); }

For(i=o;i<10;i++) { ch=97+random(26); Fputc(ch,fp); putchar(ch); } Fclose(fp); Putar(“\\n”); }

Void change (char fname{}) { FILE *fp1-*fp2; Char ch;

If((fp1=fopen(fname,”r”))=NULL)

{ pintf(“error in red ︳\\ n”);

Exit(0); }

If((fp2=fopen(“d:\\\\”,”W”))=NULL) { printf(“error in temp write︳\\ n”); Exit(0); }

While((ch=fgetc(fp1)) ︳=EOF) {

If(ch>=’A’&&ch<=’z’)

Ch=;

Fputc(ch,fp2); }

Fclose(fp1); fclose(fp2); If((fp1=fopen(fname,”W”))=NULL) 6

百度文库

{ prinf(“error in write︳\\ n”); Exit(0); }

7