276 lines
7.7 KiB
C
276 lines
7.7 KiB
C
/*
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* Mr. 4th Dimention - Allen Webster
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*
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* 21.01.2014
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*
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* System functions for project codename "4ed"
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*
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*/
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// TOP
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struct Plat_Handle{
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u32 d[4];
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};
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inline Plat_Handle
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handle_zero(void){
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Plat_Handle result = {0};
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return(result);
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}
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inline int32_t
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handle_equal(Plat_Handle a, Plat_Handle b){
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int32_t result = (memcmp(&a, &b, sizeof(a)) == 0);
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return(result);
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}
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// TODO(allen): make directory a char* to signal that it must be null terminated
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#define Sys_Set_File_List_Sig(name) void name(File_List *file_list, String directory)
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typedef Sys_Set_File_List_Sig(System_Set_File_List);
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#define Sys_Get_Canonical_Sig(name) i32 name(char *filename, i32 len, char *buffer, i32 max)
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typedef Sys_Get_Canonical_Sig(System_Get_Canonical);
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#define Sys_Add_Listener_Sig(name) b32 name(char *filename)
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typedef Sys_Add_Listener_Sig(System_Add_Listener);
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#define Sys_Remove_Listener_Sig(name) b32 name(char *filename)
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typedef Sys_Remove_Listener_Sig(System_Remove_Listener);
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#define Sys_Get_File_Change_Sig(name) i32 name(char *buffer, i32 max, b32 *mem_too_small, i32 *required_size)
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typedef Sys_Get_File_Change_Sig(System_Get_File_Change);
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#define Sys_Load_Handle_Sig(name) b32 name(char *filename, Plat_Handle *handle_out)
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typedef Sys_Load_Handle_Sig(System_Load_Handle);
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#define Sys_Load_Size_Sig(name) u32 name(Plat_Handle handle)
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typedef Sys_Load_Size_Sig(System_Load_Size);
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#define Sys_Load_File_Sig(name) b32 name(Plat_Handle handle, char *buffer, u32 size)
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typedef Sys_Load_File_Sig(System_Load_File);
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#define Sys_Load_Close_Sig(name) b32 name(Plat_Handle handle)
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typedef Sys_Load_Close_Sig(System_Load_Close);
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#define Sys_Save_File_Sig(name) b32 name(char *filename, char *buffer, u32 size)
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typedef Sys_Save_File_Sig(System_Save_File);
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#define Sys_Now_Time_Sig(name) u64 name()
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typedef Sys_Now_Time_Sig(System_Now_Time);
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#define Sys_Post_Clipboard_Sig(name) void name(String str)
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typedef Sys_Post_Clipboard_Sig(System_Post_Clipboard);
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// cli
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struct CLI_Handles{
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Plat_Handle proc;
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Plat_Handle out_read;
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Plat_Handle out_write;
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u32 scratch_space[4];
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i32 exit;
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};
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#define Sys_CLI_Call_Sig(name) b32 name(char *path, char *script_name, CLI_Handles *cli_out)
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typedef Sys_CLI_Call_Sig(System_CLI_Call);
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#define Sys_CLI_Begin_Update_Sig(name) void name(CLI_Handles *cli)
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typedef Sys_CLI_Begin_Update_Sig(System_CLI_Begin_Update);
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#define Sys_CLI_Update_Step_Sig(name) b32 name(CLI_Handles *cli, char *dest, u32 max, u32 *amount)
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typedef Sys_CLI_Update_Step_Sig(System_CLI_Update_Step);
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#define Sys_CLI_End_Update_Sig(name) b32 name(CLI_Handles *cli)
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typedef Sys_CLI_End_Update_Sig(System_CLI_End_Update);
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// coroutine
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#define Coroutine_Function_Sig(name) void name(struct Coroutine *coroutine)
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typedef Coroutine_Function_Sig(Coroutine_Function);
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struct Coroutine{
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Plat_Handle plat_handle;
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Coroutine_Function *func;
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void *yield_handle;
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void *in;
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void *out;
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};
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#define Sys_Create_Coroutine_Sig(name) Coroutine *name(Coroutine_Function *func)
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typedef Sys_Create_Coroutine_Sig(System_Create_Coroutine);
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#define Sys_Launch_Coroutine_Sig(name) Coroutine *name(Coroutine *coroutine, void *in, void *out)
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typedef Sys_Launch_Coroutine_Sig(System_Launch_Coroutine);
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#define Sys_Resume_Coroutine_Sig(name) Coroutine *name(Coroutine *coroutine, void *in, void *out)
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typedef Sys_Resume_Coroutine_Sig(System_Resume_Coroutine);
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#define Sys_Yield_Coroutine_Sig(name) void name(Coroutine *coroutine)
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typedef Sys_Yield_Coroutine_Sig(System_Yield_Coroutine);
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// thread
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struct Thread_Context;
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enum Lock_ID{
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FRAME_LOCK,
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CANCEL_LOCK0,
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CANCEL_LOCK1,
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CANCEL_LOCK2,
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CANCEL_LOCK3,
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CANCEL_LOCK4,
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CANCEL_LOCK5,
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CANCEL_LOCK6,
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CANCEL_LOCK7,
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LOCK_COUNT
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};
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enum Thread_Group_ID{
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BACKGROUND_THREADS,
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THREAD_GROUP_COUNT
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};
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struct Thread_Memory{
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void *data;
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i32 size;
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i32 id;
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};
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inline Thread_Memory
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thread_memory_zero(){
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Thread_Memory memory={0};
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return(memory);
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}
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struct Thread_Exchange;
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struct System_Functions;
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#define Job_Callback_Sig(name) void name( \
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System_Functions *system, \
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Thread_Context *thread, \
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Thread_Memory *memory, \
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void *data[2])
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typedef Job_Callback_Sig(Job_Callback);
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struct Job_Data{
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Job_Callback *callback;
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void *data[2];
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};
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struct Full_Job_Data{
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Job_Data job;
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u32 running_thread;
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u32 id;
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};
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struct Unbounded_Work_Queue{
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Full_Job_Data *jobs;
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i32 count, max, skip;
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u32 next_job_id;
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};
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#define QUEUE_WRAP 256
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struct Work_Queue{
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Full_Job_Data jobs[QUEUE_WRAP];
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Plat_Handle semaphore;
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volatile u32 write_position;
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volatile u32 read_position;
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};
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#define THREAD_NOT_ASSIGNED 0xFFFFFFFF
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#define Sys_Post_Job_Sig(name) u32 name(Thread_Group_ID group_id, Job_Data job)
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typedef Sys_Post_Job_Sig(System_Post_Job);
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#define Sys_Cancel_Job_Sig(name) void name(Thread_Group_ID group_id, u32 job_id)
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typedef Sys_Cancel_Job_Sig(System_Cancel_Job);
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#define Sys_Check_Cancel_Sig(name) b32 name(Thread_Context *thread)
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typedef Sys_Check_Cancel_Sig(System_Check_Cancel);
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#define Sys_Grow_Thread_Memory_Sig(name) void name(Thread_Memory *memory)
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typedef Sys_Grow_Thread_Memory_Sig(System_Grow_Thread_Memory);
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#define Sys_Acquire_Lock_Sig(name) void name(i32 id)
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typedef Sys_Acquire_Lock_Sig(System_Acquire_Lock);
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#define Sys_Release_Lock_Sig(name) void name(i32 id)
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typedef Sys_Release_Lock_Sig(System_Release_Lock);
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// debug
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#define INTERNAL_Sys_Sentinel_Sig(name) Bubble* name()
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typedef INTERNAL_Sys_Sentinel_Sig(INTERNAL_System_Sentinel);
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#define INTERNAL_Sys_Get_Thread_States_Sig(name) void name(Thread_Group_ID id, b8 *running, i32 *pending)
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typedef INTERNAL_Sys_Get_Thread_States_Sig(INTERNAL_System_Get_Thread_States);
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#define INTERNAL_Sys_Debug_Message_Sig(name) void name(char *message)
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typedef INTERNAL_Sys_Debug_Message_Sig(INTERNAL_System_Debug_Message);
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struct System_Functions{
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// files (tracked api): 10
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System_Set_File_List *set_file_list;
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System_Get_Canonical *get_canonical;
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System_Add_Listener *add_listener;
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System_Remove_Listener *remove_listener;
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System_Get_File_Change *get_file_change;
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System_Load_Handle *load_handle;
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System_Load_Size *load_size;
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System_Load_File *load_file;
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System_Load_Close *load_close;
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System_Save_File *save_file;
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// time: 1
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System_Now_Time *now_time;
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// 4coder_custom.h: 7
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Memory_Allocate_Function *memory_allocate;
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Memory_Set_Protection_Function *memory_set_protection;
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Memory_Free_Function *memory_free;
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File_Exists_Function *file_exists;
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Directory_CD_Function *directory_cd;
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Get_4ed_Path_Function *get_4ed_path;
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Show_Mouse_Cursor_Function *show_mouse_cursor;
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Toggle_Fullscreen_Function *toggle_fullscreen;
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Is_Fullscreen_Function *is_fullscreen;
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Send_Exit_Signal_Function *send_exit_signal;
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// clipboard: 1
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System_Post_Clipboard *post_clipboard;
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// coroutine: 4
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System_Create_Coroutine *create_coroutine;
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System_Launch_Coroutine *launch_coroutine;
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System_Resume_Coroutine *resume_coroutine;
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System_Yield_Coroutine *yield_coroutine;
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// cli: 4
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System_CLI_Call *cli_call;
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System_CLI_Begin_Update *cli_begin_update;
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System_CLI_Update_Step *cli_update_step;
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System_CLI_End_Update *cli_end_update;
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// threads: 7
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System_Post_Job *post_job;
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System_Cancel_Job *cancel_job;
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System_Check_Cancel *check_cancel;
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System_Grow_Thread_Memory *grow_thread_memory;
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System_Acquire_Lock *acquire_lock;
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System_Release_Lock *release_lock;
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// debug: 3
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INTERNAL_System_Sentinel *internal_sentinel;
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INTERNAL_System_Get_Thread_States *internal_get_thread_states;
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INTERNAL_System_Debug_Message *internal_debug_message;
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// non-function details
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char slash;
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};
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// BOTTOM
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