#include #define setgid _setgid #define setegid _setegid #include PUBLIC int setgid(grp) gid_t grp; { message m; m.m1_i1 = (int) grp; return(_syscall(MM, SETGID, &m)); } PUBLIC int setegid(grp) gid_t grp; { message m; m.m1_i1 = (int) grp; return(_syscall(MM, SETEGID, &m)); }