C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
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_strlwr, _fstrlwr, _strupr, _frstrupr
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─────Run-Time Library───────────────────────────────────────────────────────
 
  Include:   <string.h>
 
  Syntax:    char *_strlwr( char *string );
             char *_strupr( char *string );
             char __far *_fstrlwr( char __far *string );
             char __far *_frstrupr( char __far *string );
 
  Returns:   a pointer to the converted string.
 
  See also:  toupper, tolower, _strrev
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