FSSH_S_IRUSR
#define S_IRUSR FSSH_S_IRUSR
#define FSSH_DEFFILEMODE (FSSH_S_IRUSR | FSSH_S_IWUSR | FSSH_S_IRGRP \
permissions += ((mode & FSSH_S_IRUSR) ? 'r' : '-');
SET_ST_MODE_BIT(FSSH_S_IRUSR, S_IRUSR);
SET_ST_MODE_BIT(FSSH_S_IRUSR, S_IRUSR);