ref: 04c4a9ca8b06e34a203f7ddacc2263cf2077e1aa
dir: /sys/src/ape/lib/ap/plan9/getgrgid.c/
#include <stddef.h> #include <grp.h> extern int _getpw(int *, char **, char **); extern char **_grpmems(char *); static struct group holdgroup; struct group * getgrgid(gid_t gid) { int num; char *nam, *mem; num = gid; nam = 0; mem = 0; if(_getpw(&num, &nam, &mem)){ holdgroup.gr_name = nam; holdgroup.gr_passwd = ""; holdgroup.gr_gid = num; holdgroup.gr_mem = _grpmems(mem); return &holdgroup; } return NULL; }