Gets user name.
Syntax |
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#include <unistd.h>
char *getlogin(void);
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Parameters |
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None.
Return Values |
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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.
Description |
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The getlogin() function returns a pointer to a string giving a user name associated with the calling process.
Implementation Considerations |
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The users login name string will be in the form "USER.ACCOUNT".
Errors |
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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.
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| ESYSERR | CAUSE
| The system detected an unexpected error. |
| | ACTION
| Report circumstances to HP.
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See Also |
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getpwnam(), getpwuid, POSIX.1
