C language file operations, do not ah
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Users questions: D1.dat copy the text file to a text file d2.dat, asking only copy d1.dat in English characters.
Experts answer: # include "stdio.h" voidmain () (FILE * in, * out; charinfil e[]= d1.dat ,outfile[]= d2.dat ;if((in=fopen(infile, r ))==NULL){printf( cannotopend1.dat*n );return ;}if((out=fopen(outfile, w ))==NULL){printf( cannotopend2.dat*n );fclose(in);return;}while(!feof(in) ){charc=fgetc(in);if(c = A &&c = z )fputc(c,out);}fclose(in);fclose(out);}
Experts answer: # include "stdio.h" voidmain () (FILE * in, * out; charinfil e[]= d1.dat ,outfile[]= d2.dat ;if((in=fopen(infile, r ))==NULL){printf( cannotopend1.dat*n );return ;}if((out=fopen(outfile, w ))==NULL){printf( cannotopend2.dat*n );fclose(in);return;}while(!feof(in) ){charc=fgetc(in);if(c = A &&c = z )fputc(c,out);}fclose(in);fclose(out);}
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