C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
strlen, _fstrlen
 Description Example                     Up Contents Index Back
─────Run-Time Library───────────────────────────────────────────────────────
 
  Include:   <string.h>
 
  Syntax:    size_t strlen( char *string );
             size_t _fstrlen( char __far *string );
 
  Returns:   the string length.
 
  See also:  strcpy, strcat, strcmp, strchr
                                    -♦-