C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
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_fullpath
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─────Run-Time Library───────────────────────────────────────────────────────
 
  Include:   <stdlib.h>
 
  Syntax:    char *_fullpath( char *buffer, char *pathname,
                              size_t maxlen );
 
  Returns:   a pointer to the absolute path in <buffer>, or NULL if
             an error occurs.
 
  See also:  _getcwd, _getdcwd, _makepath, _splitpath
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