1 2 #pragma once 3 4 typedef unsigned short __gid_t; getgid(void)5__inline __gid_t getgid(void){return 0;} getgrnam(char * g)6__inline struct group * getgrnam(char* g){return 0;} 7 8 struct group 9 { 10 char *gr_name; 11 char *gr_passwd; 12 __gid_t gr_gid; 13 char **gr_mem; 14 }; 15 16 #define getgrgid(i) NULL 17 18