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Kernel Functions for Drivers

uwritec(9F)

NAME

uwritec - remove a character from a uio structure

#include <sys/uio.h> int uwritec(uio_t *uio_p);

Architecture independent level 1 (DDI/DKI)

uwritec() returns a character from the uio structure pointed to by uio_p and updates the uio structure. See uiomove(9F).

The next character for processing is returned on success, and -1 is returned if uio is empty or if there is an error.

uwritec() can be called from user or interrupt context.