Question: Write the following C function: int line_length (const char *filename, int n); The function should return the length of line n in the text file

Write the following C function:

int line_length (const char *filename, int n);

The function should return the length of line n in the text file whose name is filename (assuming the first line in the file is line 1). If the line doesn't exist, the function should return 0.

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