?? getlogin.c
字號(hào):
#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);}