#include #include int main() { struct group gr,*tmp; char buf[1000]; while (getgrent_r(&gr,buf,sizeof(buf),&tmp)==0) { int i; printf("name %s\tpassword %s\tgid %u\t[",gr.gr_name,gr.gr_passwd,gr.gr_gid); for (i=0; i<8; ++i) { if (gr.gr_mem[i]) printf("%s%s",gr.gr_mem[i],gr.gr_mem[i+1]?",":""); else break; } printf("]\n"); } return 0; }