getlogin

Gets user name.

   #include <unistd.h>

   char *getlogin(void);

None.

Returns a pointer to a string on success. The return values may point to static data that is overwritten by each cell.

A null pointer is returned on error or if the user's login name cannot be found.

The getlogin() function returns a pointer to a string giving a user name associated with the calling process.

The users login name string will be in the form "USER.ACCOUNT".

If an error occurs, errno is set to one of the following values:

`EFAULT`	CAUSE	The system detected a NULL or bad address in attempting to allocate or access a string buffer area in which to move the user's login name.
	ACTION	Report circumstances to HP.
`ESYSERR`	CAUSE	The system detected an unexpected error.
	ACTION	Report circumstances to HP.

Technical documentation