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─────Run-Time Library───────────────────────────────────────────────────────
 
     The _strnset function sets, at most, the first <count> characters
     of <string> to <c> (converted to char). It then returns a pointer
     to the altered string. If <count> is greater than the length of
     <string>, the length of <string> is used in place of <count>.
 
     The _strset function sets all characters of <string> to <c>
     (converted to char), except the terminating null character (\0).
 
     The _f... forms of these functions are model-independent (large-
     model) forms that use far pointer forms of the string arguments
     and return values. These model-independent functions can be called
     from any point in the program.
 
     Return Value
 
     These functions return a pointer to the altered string. There is
     no error return.
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