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864天前#include <stdio.h> |
int main ( void ) |
{ |
FILE *in, *out; |
if ( ( in = fopen ( "\\AUTOEXEC.BAT", "rt" ) ) |
== NULL ) |
{ |
fprintf ( stderr, "Cannot open input \ |
file.\n" ); |
return 1; |
} |
if ( ( out = fopen ( "\\AUTOEXEC.BAK", "wt" ) ) |
== NULL ) |
{ |
fprintf ( stderr, "Cannot open output \ |
file.\n" ); |
return 1; |
} |
while ( !feof ( in ) ) |
fputc ( fgetc ( in ), out ); |
fclose ( in ); |
fclose ( out ); |
return 0; |
} |
