Author: Anonymous

Given this macro:  #define doSomething( x, y ) ( 2 * x – y ) What is the value of result after this code?   int result = doSomething( 3, 2 );

If you attempt to fopen() a file for writing, but the file does not exist, what happens?

What does the following fgets() expression do assuming fileIn points to an existing file for input? char buffer[ 1024 ]; fgets( buffer, 1024, fileIn );

Which of the following is a valid function call (assuming the function ‘test’ exists)?

What are the contents of the numbers array at the end of this code? int numbers[] = { 35, 57, 78, 66, 41, 12 }; int *ptrA = numbers + 3;        int x = 15;        *ptrA = x++;

What is the output of the following code? #includeint test(int);int main(int argc, char* argv[]){    int k=35;    k = test(k=test(k=test(k)));    printf(“k=%d\n”, k);    return 0;}int test(int k){    return k++;}

What does it mean to dereference a pointer?

What is the output of this code? #define VALUE 10; int main( int argc, char* argv[] ) { int x = 3 + VALUE; printf( “%d”, x ); return 0; }

What is the output of the following code? #include int fun(int *num){      return (*num)–;}int main(int argc, char* argv[]){      int num = 16;      for(fun(&num); fun(&num); fun(&num))            printf(“%d “, fun(&num));      return 0;}

Which of the following is the correct code to open a file for writing? FILE * fileIn;