fprintf.c

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/* fprintf.c - _fdoprnt */

#include <xinu.h>
#include <stdarg.h>

extern void _fdoprnt(char *, va_list, int (*)(did32, char), int);

/*------------------------------------------------------------------------
 *  fprintf  -  Print a formatted message on specified device (file).
 *          Return 0 if the output was printed successfully,
 *          and -1 if an error occurred.
 *------------------------------------------------------------------------
 */
int fprintf(
      int       dev,        /* device to write to       */
      char      *fmt,       /* format string        */
      ...
    )
{
    va_list ap;
    int putc(did32, char);

    va_start(ap, fmt);
    _fdoprnt(fmt, ap, putc, dev);
    va_end(ap);

    return 0;
}