| INTERFACE LEVEL
| RETURN VALUES
| SEE ALSO
Architecture independent level 1 (DDI/DKI).
The character added to the uio(9S) structure.
Pointer to the uio(9S) structure.
ureadc() transfers the character c into the address space of the uio(9S) structure pointed to by uio_p, and updates the uio structure as for uiomove(9F).
0 is returned on success and EFAULT on failure.
ureadc() can be called from user or interrupt context.
uiomove(9F), uwritec(9F), iovec(9S), uio(9S)
Writing Device Drivers