getc() returns EOF when

1.	getc() returns EOF when
A.	End of files is reached
B.	When getc() fails to read a character
C.	Both A & B
D.	None of the above
E.
Answer» D. None of the above

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getc() returns EOF when
Note:Includes all required header files using namespace std; int main () { FILE *fp; char x[1024]; fp = fopen("find.txt", "r"); // "ayushjain and prateek" x[0] = getc(fp); fseek(fp, 0, SEEK_END); fseek(fp, -7L, SEEK_CUR); fgets(x, 6, fp); puts(x); return 0;} 18.In fopen(), the open mode "wx" is sometimes preferred "w" because. i) Use of wx is more efficient. ii) If w is used, old contents of file are erased and a new empty file is created. When wx is used, fopen() returns NULL if file already exists.
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getc() returns EOF when

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