_set_errno

Set the value of the errno global variable.

errno_t _set_errno( 
   int value 
);

Parameters

• [in] value
  The new value of errno.

Return Value

Returns zero if successful.

Remarks

Possible values are defined in Errno.h. Also, see errno Constants.

Example

// crt_set_errno.c
#include <stdio.h>
#include <errno.h>

int main()
{
   _set_errno( EILSEQ );
   perror( "Oops" );
}

Oops: Illegal byte sequence

Requirements

For more compatibility information, see Compatibility in the Introduction.

See Also

Reference

_get_errno

errno, _doserrno, _sys_errlist, and _sys_nerr