rb_sysopen       4247 io.c               fptr->fd = rb_sysopen(RSTRING_PTR(fptr->pathv), oflags, perm);
rb_sysopen       4998 io.c               fd = rb_sysopen(path, oflags, perm);
rb_sysopen       5338 io.c                   fptr->fd = rb_sysopen(RSTRING_PTR(fptr->pathv), oflags, 0666);
rb_sysopen       5363 io.c                   fptr->fd = rb_sysopen(RSTRING_PTR(fptr->pathv), oflags, 0666);
rb_sysopen       6172 io.c           		int fr = rb_sysopen(fn, O_RDONLY, 0);
rb_sysopen       6197 io.c           			fr = rb_sysopen(RSTRING_PTR(str), O_RDONLY, 0);
rb_sysopen       6219 io.c           		    fw = rb_sysopen(fn, O_WRONLY|O_CREAT|O_TRUNC, 0666);