#include "apue.h"intmain(void){	FILE *fp;	char *p;	daemonize("getlog");	p = getlogin();	fp = fopen("/tmp/getlog.out", "w");	if (fp != NULL) {		if (p == NULL)			fprintf(fp, "no login name\n");		else			fprintf(fp, "login name: %s\n", p);	}	exit(0);}