FSSH_S_IWGRP
#define S_IWGRP FSSH_S_IWGRP
| FSSH_S_IWGRP | FSSH_S_IROTH | FSSH_S_IWOTH)
permissions += ((mode & FSSH_S_IWGRP) ? 'w' : '-');
SET_ST_MODE_BIT(FSSH_S_IWGRP, S_IWGRP);
SET_ST_MODE_BIT(FSSH_S_IWGRP, S_IWGRP);