F = fopen( filename, "r" );if(????){fprintf(stderr, "Could not open file!");exit(-1);}What should replace the ???? in the code above to determine if the file could not be opened?A. f == NULLB. f == EOFC. f != 0;D. f == -1

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Vijaya Bhaskar M

  • Jul 24th, 2005
 

Normally we will check file with NULL only. so choice A is the correct answer.

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