Write statements that accomplish each of the following. Assume that the structure

struct person $\{$

char lastName$[15]$;

char firstName$[15]$;

char age$[4]$;

$\}$;

has been defined and that the file is already open for writing.

a$)$ Initialize the file "nameage.dat" so that there are $100$ records with lastName

$=$ "unassigned", firstname $=""$ and age $="0".$

b$)$ Input $10$ last names, first names and ages, and write them to the file.

c$)$ Update a record; if there$$s no information in the record, tell the user $"$No info".

d$)$ Delete a record that has information by reinitializing that particular record.