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Q.

What will be the content of 'file.c' after executing the following program?

#include
int main()
{
FILE *fp1, *fp2;
fp1=fopen("file.c", "w");
fp2=fopen("file.c", "w");
fputc('A', fp1);
fputc('B', fp2);
fclose(fp1);
fclose(fp2);
return 0;
}
A. B B. A
C. 0 D. Error in opening file 'file1.c'

Answer: Option A
Explaination:

Here fputc('A', fp1); stores 'A' in the file1.c then fputc('B', fp2); overwrites the contents of the file1.c with value 'B'. Because the fp1 and fp2 opens the file1.c in write mode.Hence the file1.c contents is 'B'.


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