firstbyte 710 maint/gnulib/lib/glthread/lock.c char *firstbyte = (char *)once_control; firstbyte 711 maint/gnulib/lib/glthread/lock.c if (*firstbyte == *(const char *)&fresh_once) firstbyte 714 maint/gnulib/lib/glthread/lock.c *firstbyte = ~ *(const char *)&fresh_once;