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

Which of the following is a valid and complete function definition?

After we open a file with fopen(), what we should do before writing things to the file?

What is the output of the following code? #includeint function(int, int);int main(int argc, char* argv[]){ int a = 25, b = 24 + 1, c; printf(“%d”, function(a, b)); return 0;}int function(int x, int y){ return (x – (x == y));}

What does feof() returns if end of file was reached?

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

Assume you have a FILE pointer named ptr which is pointing to an opened file. Which of the following statements is the correct way to read in a string?

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

What header file must be included to use malloc()?

When working with files, what does EOF or eof mean?