DtDtsDataToDataType man page on HP-UX

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DtDtsDataToDataType(library call)	     DtDtsDataToDataType(library call)

       DtDtsDataToDataType — get the data type for a set of data

       #include <Dt/Dts.h>
       char *DtDtsDataToDataType(
       const char *filepath,
       const void *buffer,
       const int size,
       const struct stat *stat_buff,
       const char *link_path,
       const struct stat *link_stat_buff,
       const char *opt_name);

       The  DtDtsDataToDataType	 function determines the data type of a set of
       data, based on the information given in the non- NULL pointer arguments
       to  the	function.  The function gathers any additional information, if
       it is needed, to compensate for the NULL arguments.   For  example,  if
       the  filepath argument is given, but the stat_buff argument is NULL and
       a stat_buff value is required to determine the data type,  DtDtsDataTo‐
       DataType calls the stat(2) function to obtain the information.

       The filepath argument is the pathname of a file.

       The buffer argument is a pointer to the buffer of the data to be typed.

       The size argument is the size of the buffer in bytes.

       The  stat_buff  argument	 is  the  buffer  returned  from  a stat(2) or
       fstat(3) call for use in typing.

       The link_path argument is the pathname of the target file pointed to by
       a symbolic link.

       The  link_stat_buff  argument  is  the buffer returned from an lstat(2)
       call for use in typing.

       The opt_name argument can be used to specify a name  to	be  associated
       with the buffer.	 If the opt_name argument is not NULL, it is used as a
       pseudo file name	 in  typing;  otherwise,  certain  attributes  may  be
       returned	 as  NULL  because the filename components could not be deter‐

       Upon successful completion, the DtDtsDataToDataType function returns  a
       pointer to a data type string, or NULL if no value could be determined.

       The DtDtsDataToDataType function is generally used by applications such
       as file managers to improve performance.	 Typical  applications	should
       probably	  use	DtDtsFileToDataType(3)	 or   DtDtsBufferToDataType(3)

       The DtDtsBuffer* functions assume  that	the  buffer  is	 readable  and
       writable	 by  the  user, group and other file classes and select a type
       accordingly.  An application requiring a type based on  read-only  per‐
       missions	 should use DtDtsDataToDataType with a stat_buff value created
       for this purpose: all fields should NULL except for the st_mode	field,
       which should be set to:


       Dt/Dts.h, DtDtsLoadDataTypes(3), DtDtsFileToDataType(3), DtDtsBufferTo‐
       DataType(3), fstat(3), lstat(2), stat(2).

					     DtDtsDataToDataType(library call)

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