新手入门大疆推荐 Sharing Constants

Constants for file-sharing modes.

Syntax #include Remarks

The shflag argument determines the sharing mode, which consists of one or more manifest constants. These constants can be combined with the oflag arguments (see File constants).

The following table lists the constants and their meanings:

Constant Meaning _SH_DENYRW Denies read and write access to file _SH_DENYWR Denies write access to file _SH_DENYRD Denies read access to file _SH_DENYNO Permits read and write access _SH_SECURE Sets secure mode (shared read, exclusive write access). See also

_sopen, _wsopen _fsopen, _wfsopen Global constants