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#if 0 #include <sys/types.h> #include <grp.h> #include "_grp.h" struct group * getgrgid(gid_t gid) { struct group *grp = NULL; setgrent(); while ((grp = getgrent()) != NULL) { if (grp->gr_gid == gid) { endgrent(); return grp; } } endgrent(); return NULL; } /* POSIX(1) */ #endif