amount_to_read    100 ext/standard/random.c 	size_t amount_to_read = 0;
amount_to_read    114 ext/standard/random.c 		amount_to_read = size - read_bytes;
amount_to_read    115 ext/standard/random.c 		n = syscall(SYS_getrandom, bytes + read_bytes, amount_to_read, 0);