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
Routine |
Required header |
Optional header |
|---|---|---|
_set_errno |
<stdlib.h> |
<errno.h> |
For more compatibility information, see Compatibility in the Introduction.