Difference between revisions of "ERRNO()"
From Lianjapedia
Yvonne.milne (Talk | contribs) |
|||
| (3 intermediate revisions by 2 users not shown) | |||
| Line 1: | Line 1: | ||
| − | |||
==Purpose== | ==Purpose== | ||
Function to return Operating System dependent error number | Function to return Operating System dependent error number | ||
| − | |||
==Syntax== | ==Syntax== | ||
ERRNO() | ERRNO() | ||
| − | |||
==See Also== | ==See Also== | ||
| − | [[CERROR()]], [[DOSERROR()]], [[ERROR()]], [[MESSAGE()]], [[ | + | [[CERROR()]], [[DOSERROR()]], [[ERROR()]], [[MESSAGE()]], [[SET ERRORLOGGING]], [[STRERROR()]] |
| − | + | ||
==Description== | ==Description== | ||
The ERRNO() function returns the Operating System dependent error number for the last error encountered. This is useful for revealing an Operating System error which may have caused an error reported by the ERROR() function. | The ERRNO() function returns the Operating System dependent error number for the last error encountered. This is useful for revealing an Operating System error which may have caused an error reported by the ERROR() function. | ||
| − | |||
==Example== | ==Example== | ||
| Line 20: | Line 15: | ||
if errno()>0 | if errno()>0 | ||
err = errno() | err = errno() | ||
| − | |||
endif | endif | ||
</code> | </code> | ||
| − | |||
| − | |||
| − | |||
[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Functions]] | [[Category:Functions]] | ||
| − | [[Category:Error Handling | + | [[Category:Error Handling]] |
| − | + | ||
Latest revision as of 07:16, 20 June 2016
Contents
Purpose
Function to return Operating System dependent error number
Syntax
ERRNO()
See Also
CERROR(), DOSERROR(), ERROR(), MESSAGE(), SET ERRORLOGGING, STRERROR()
Description
The ERRNO() function returns the Operating System dependent error number for the last error encountered. This is useful for revealing an Operating System error which may have caused an error reported by the ERROR() function.
Example
if errno()>0 err = errno() endif
