Question: 1. what are the elf magic numbers?
Answer: What are the ELF magic numbers? The first 4 bytes of e_indent, the array of bytes that specifies how the file should be interpreted, are 3x7f, 'E', 'L', 'F', respectively. What is the difference between UIO_USERISPACE and UIO_USERSPACE? When should one use UIO_SYSSPACE instead?