ttywrite.c File Reference

#include <xinu.h>

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Functions
devcall	ttywrite (struct dentry *devptr, char *buff, int32 count)

Function Documentation

ttywrite()

devcall ttywrite	(	struct dentry *	devptr,
		char *	buff,
		int32	count
	)

Definition at line 9 of file ttywrite.c.

References OK, SYSERR, and ttyputc().

{
    /* Handle negative and zero counts */

    if (count < 0) {
        return SYSERR;
    } else if (count == 0){
        return OK;
    }

    /* Write count characters one at a time */

    for (; count>0 ; count--) {
        ttyputc(devptr, *buff++);
    }
    return OK;
}

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