How to check the buffer size of a file?

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brlapi_info

Getting Terminal information(3) 				      BrlAPI					   Getting Terminal information(3)

NAME

       Getting Terminal information -

       How to get information about the connected Terminal.

   Macros
       #define BRLAPI_MAXNAMELENGTH   31

   Functions
       int BRLAPI_STDCALL brlapi_getDriverName (char *buffer, size_t size)
       int BRLAPI_STDCALL brlapi__getDriverName (brlapi_handle_t *handle, char *buffer, size_t size)
       int BRLAPI_STDCALL brlapi_getDisplaySize (unsigned int *x, unsigned int *y)
       int BRLAPI_STDCALL brlapi__getDisplaySize (brlapi_handle_t *handle, unsigned int *x, unsigned int *y)

Detailed Description
       Before using Raw mode or key codes, the application should always check the type of the connected terminal, to be sure it is really the one
       it expects.

       One should also check for display size, so as to adjust further displaying on it.

Macro Definition Documentation
   #define BRLAPI_MAXNAMELENGTH   31
       Maximum name length for names embeded in BrlAPI packets, not counting any termination  character

Function Documentation
   int BRLAPI_STDCALL brlapi__getDisplaySize (brlapi_handle_t *handle, unsigned int *x, unsigned int *y)
   int BRLAPI_STDCALL brlapi__getDriverName (brlapi_handle_t *handle, char *buffer, size_tsize)
   int BRLAPI_STDCALL brlapi_getDisplaySize (unsigned int *x, unsigned int *y)
       Return the size of the braille display

   int BRLAPI_STDCALL brlapi_getDriverName (char *buffer, size_tsize)
       Return the complete name of the driver used by brltty

       This function fills its argument with the whole name of the braille terminal if available, terminated with a ''.

       Parameters:
	   buffer is the buffer given by the application;
	   size is the maximum size for the name buffer.

       Returns:
	   -1 on error, or a positive value giving the size of the needed buffer, if the supplied one is to small (same as snprintf()).

Author
       Generated automatically by Doxygen for BrlAPI from the source code.

Version 1.0							  Fri Jun 7 2013				   Getting Terminal information(3)

UNIX for Dummies Questions & Answers