Question
FILE *fp;
fp=fopen("abc.txt","w+");
a.
Like "w" mode, "w+" mode creates a new file abc.txt if not found. NULL is only returned if some other problems in PC exist in opening a file.
b.
w+ mode allows you to read the file also. Only after writing, you can read contents if any written. Before writing existing contents are emptied.
c.
w+ mode always makes a file contents empty like w mode.
d.
All of the above
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Q. Choose a correct statement about C file mode "w+".
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