null_open 79 arch/i386/stand/boot/conf.c { null_open, null_close, null_read, null_write, null_seek, null_open 83 arch/i386/stand/cdboot/conf.c { null_open, null_close, null_read, null_write, null_seek, null_open 96 arch/i386/stand/pxeboot/conf.c { null_open, null_close, null_read, null_write, null_seek, null_open 173 lib/libsa/stand.h int null_open(char *path, struct open_file *f);