_fwalk

int _fwalk(int (*function)(FILE *))

#include <errno.h>
#include <stdio.h>
#include "local.h"
#include "glue.h"

int
_fwalk(int (*function)(FILE *))
{
	FILE *fp;
	int n, ret;
	struct glue *g;

	ret = 0;
	for (g = &__sglue; g != NULL; g = g->next)
		for (fp = g->iobs, n = g->niobs; --n >= 0; fp++)
			if (fp->_flags != 0)
				ret |= (*function)(fp);
	return (ret);
}