Operating System 操作系统代写

COMP2017 / COMP9017 Tutorial 3 Structs, Unions, Bitfields and Files Structs and Unions Within C you can declare a new ‘type’ using structs. A struct is a collection of existing types with a constant size in memory defined at the time of compilation, and with a packing that is consistent within the architecture of the

Memory Allocator with FIFO Free List Create your GitHub repo for this lab here: https://classroom.github.com/a/eMu4D7oX In this lab, we’ll build our own memory allocator that serves as an alternative to the default malloc family of functions. If we take a look at the man pages for malloc et al., we’ll find that we need to

#include #include #include #include #include #include #include #ifndef FALSE #define FALSE 0 #ifndef TRUE #define TRUE 1 #define MAX_BUFFER 1024 // max line buffer #define MAX_ARGS 64 // max # args #define SEPARATORS ” \t\n” // token sparators #define README “readme” // help file name struct shellstatus_st int foreground; // foreground execution flag char *infile;