mcities: simple turned-based game 'cities' for two players, no AI.

git-svn-id: svn://kolibrios.org@2655 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Albom 2012-05-01 11:40:37 +00:00
parent 01431c16e7
commit 221b16cc14
16 changed files with 11882 additions and 0 deletions

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format MS COFF
public Start
extrn Memory
extrn hEnd
extrn _kol_main
section ".text" code
db "MENUET01"
dd 1, Start, hEnd, Memory, hStack, 0, 0
Start:
; èíèöèàëèçàöèÿ êó÷è
mov eax, 68
mov ebx, 11
int 0x40
; âûçîâ ãëàâíîé ïðîöåäóðû
mov eax, _kol_main
call eax
; çàâåðøåíèå ðàáîòû ïðîãðàììû
mov eax, -1
int 0x40
section ".bss"
rb 4096
hStack:

10718
programs/games/mcities/base.h Normal file

File diff suppressed because it is too large Load Diff

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del *.o
fasm asm_code.asm asm_code.o
gcc -c mcities.c
gcc -c system/kolibri.c
gcc -c system/stdlib.c
gcc -c system/string.c
gcc -c system/ctype.c
ld -nostdlib -T kolibri.ld -o mcities asm_code.o kolibri.o stdlib.o string.o ctype.o mcities.o
objcopy mcities -O binary
kpack mcities
del *.o
pause

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/*OUTPUT_FORMAT("binary")*/
ENTRY(Start)
SECTIONS
{
.text 0x000000:
{
*(.text)
}
.data : {
*(.data)
hEnd = . ;
}
.bss :
{
*(.bss)
}
Memory = . ;
}

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#include "system/boolean.h"
#include "system/kolibri.h"
#include "system/stdlib.h"
#include "system/string.h"
#include "system/ctype.h"
#include "system/console.c"
#include "base.h"
#define BASE_LEN 10716
char cities_used[BASE_LEN];
int user_current;
char name[256];
char last;
///===========================
void kol_main();
///===========================
int _iswhite(char c)
{
return ((' ' == c) || ('\t' == c) || (13 == c) || (10 == c));
}
///===========================
unsigned char _tolower(unsigned char c)
{
unsigned char x = 0;
if ((c == (unsigned char)'ñ')||(c == (unsigned char)'ð'))
return '¥';
if ((c > 127) && (c < 144))
x += 32;
if ((c > 143) && (c < 160))
x += 80;
return c+x;
}
///===========================
void trim(char string[])
{
int i, j;
for (i=0; ;i++)
if ( !_iswhite(string[i]) )
break;
j = 0;
for (;;i++, j++)
{
string[j] = string[i];
if ('\0' == string[i] )
break;
}
for (i=0; ;i++)
if ('\0' == string[i])
break;
i--;
for (;i>0;--i)
if ( _iswhite(string[i]) )
string[i] = '\0';
else
break;
}
///===========================
void game_new()
{
memset(cities_used, 0, BASE_LEN);
user_current = 0;
last = 32;
}
///===========================
int search(char *city)
{
int i;
for ( i = 0; i < BASE_LEN; i++ )
if ( ! strcmp(cities[i], city) )
return i;
return -1;
}
///===========================
int last_ok(char c)
{
if ( (c == 'ë')||(c == 'ì'))
return 0;
else
return 1;
}
///===========================
void kol_main()
{
CONSOLE_INIT("mCities by Albom");
printf("%s", "\
mCities - ¨£à  ¢ £®à®¤ . ¥àá¨ï 0.1.\n\
¢â®à: «¥ªá ­¤à <EFBFBD>®£®¬ § aka Albom (albom85@yandex.ru)\n\n\
\
¯à ¢«¥­¨¥:\n\
ª®¬ ­¤  * - ­®¢ ï ¨£à \n\
ª®¬ ­¤  ! - ᯨ᮪ ­ §¢ ­­ëå £®à®¤®¢\n\n\
");
game_new();
int i, s;
for (;;)
{
for (;;)
{
printf("ˆ£à®ª %d > ", user_current+1);
gets(name, 32);
if (*name == 0)
{
_exit(1);
kol_exit();
}
trim(name);
if (!strcmp(name, "*"))
{
printf("\n\n");
game_new();
continue;
}
if (!strcmp(name, "!"))
{
for (i = 0; i < BASE_LEN; i++)
if (cities_used[i] == 1)
printf("%s ", cities[i]);
printf("\n");
continue;
}
for (i = 0; i < strlen(name); i++ )
name[i] = _tolower(name[i]);
if ( (last!=name[0])&&(last!=32) )
{
printf("<EFBFBD>㦭® ­ §¢ âì £®à®¤ ­  ¡ãª¢ã \'%c\'!\n", last);
continue;
}
s = search(name);
if (cities_used[s] == 1)
{
printf("<EFBFBD>â®â £®à®¤ 㦥 ­ §ë¢ «áï!\n");
continue;
}
if ( s == -1 )
printf("<EFBFBD>¥ §­ î â ª®£® £®à®¤ !\n");
else
{
cities_used[s] = 1;
if ( last_ok(name[strlen(name)-1]) )
last = name[strlen(name)-1];
else
last = name[strlen(name)-2];
break;
}
}
if ( user_current == 0)
user_current = 1;
else
user_current = 0;
}
}
///===========================

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mCities 0.1
=============
Игра в города.
Пока реализован только режим без таймера между 2 игроками на 1 компьютере.
В будущем (возможно) будут и другие режимы:
- игра против компьютера;
- игра по сети;
- с таймером и без.
Преимущество перед аналогичной игрой от Яндекса (недостатки очевидны):
- если город заканчивается на "ы", то следующий город нужно начинать на предпоследнюю букву.
Управление:
- команда * - новая игра
- команда ! - список названных городов
=============
Александр Богомаз aka Albom
albom85@yandex.ru
albom85.narod.ru

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#define FALSE 0
#define TRUE 1

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///===========================
#define CON_COLOR_BLUE 1
#define CON_COLOR_GREEN 2
#define CON_COLOR_RED 4
#define CON_COLOR_BRIGHT 8
/* öâåò ôîíà */
#define CON_BGR_BLUE 0x10
#define CON_BGR_GREEN 0x20
#define CON_BGR_RED 0x40
#define CON_BGR_BRIGHT 0x80
///===========================
void (* _stdcall con_init)(unsigned w_w, unsigned w_h, unsigned s_w, unsigned s_h, const char* t);
void (* _cdecl printf)(const char* format,...);
void (* _stdcall _exit)(char bCloseWindow);
void (* __stdcall gets)(char* str, int n);
int (* __stdcall getch)(void);
int (* __stdcall con_get_font_height)(void);
int (* __stdcall con_set_cursor_height)(int new_height);
unsigned (*__stdcall con_get_flags)(void);
unsigned (*__stdcall con_set_flags)(unsigned new_flags);
void (*__stdcall con_cls)(void);
///===========================
void CONSOLE_INIT(char title[])
{
kol_struct_import *imp;
imp = kol_cofflib_load("/sys/lib/console.obj");
if (imp == NULL)
kol_exit();
con_init = ( _stdcall void (*)(unsigned, unsigned, unsigned, unsigned, const char*))
kol_cofflib_procload (imp, "con_init");
if (con_init == NULL)
kol_exit();
printf = ( _cdecl void (*)(const char*,...))
kol_cofflib_procload (imp, "con_printf");
if (printf == NULL)
kol_exit();
_exit = ( _stdcall void (*)(char))
kol_cofflib_procload (imp, "con_exit");
if (_exit == NULL)
kol_exit();
gets = ( _stdcall void (*)(char*, int))
kol_cofflib_procload (imp, "con_gets");
if (gets == NULL)
kol_exit();
getch = ( _stdcall int (*)(void))
kol_cofflib_procload (imp, "con_getch2");
if (getch == NULL)
kol_exit();
con_get_font_height = ( _stdcall int (*)(void))
kol_cofflib_procload (imp, "con_get_font_height");
if (con_get_font_height == NULL)
kol_exit();
con_set_cursor_height = ( _stdcall int (*)(int))
kol_cofflib_procload (imp, "con_set_cursor_height");
if (con_set_cursor_height == NULL)
kol_exit();
con_get_flags = ( _stdcall unsigned (*)(void))
kol_cofflib_procload (imp, "con_get_flags");
if (con_get_flags == NULL)
kol_exit();
con_set_flags = ( _stdcall unsigned (*)(unsigned))
kol_cofflib_procload (imp, "con_set_flags");
if (con_set_flags == NULL)
kol_exit();
con_cls = ( _stdcall void (*)(void))
kol_cofflib_procload (imp, "con_cls");
if (con_cls == NULL)
kol_exit();
con_init(-1, -1, -1, -1, title);
}

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#include "ctype.h"
int toupper(int c)
{
if ( (c >= 97) && (c <= 122) )
return c-32 ;
if ( (c >= 160) && (c <= 175) )
return c-32 ;
if ( (c >= 224) && (c <= 239) )
return c-80 ;
if ( (c == 241) || (c == 243) || (c == 245) || (c == 247) )
return c-1;
return c;
}
int tolower(int c)
{
if ( (c >= 65) && (c <= 90) )
return c+32 ;
if ( (c >= 128) && (c <= 143) )
return c+32 ;
if ( (c >= 144) && (c <= 159) )
return c+80 ;
if ( (c == 240) || (c == 242) || (c == 244) || (c == 246) )
return c+1;
return c;
}

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int toupper(int c);
int tolower(int c);

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#include "kolibri.h"
#include "string.h"
extern char KOL_PATH[256];
extern char KOL_PARAM[256];
extern char KOL_DIR[256];
void kol_exit()
{
asm ("int $0x40"::"a"(-1));
}
void kol_sleep(unsigned d)
{
asm ("int $0x40"::"a"(5), "b"(d));
}
void kol_wnd_define(unsigned x, unsigned y, unsigned w, unsigned h, unsigned c)
{
asm ("nop"::"a"(0), "b"(x*65536+w), "c"(y*65536+h), "d"(c));
asm ("movl $0xffffff, %esi \n int $0x40");
}
void kol_wnd_move(unsigned x, unsigned y)
{
asm ("nop"::"a"(67), "b"(x), "c"(y));
asm ("movl $-1, %edx \n movl $-1, %esi \n int $0x40");
}
void kol_event_mask(unsigned e)
{
asm ("int $0x40"::"a"(40), "b"(e));
}
unsigned kol_event_wait()
{
asm ("int $0x40"::"a"(10));
}
unsigned kol_event_wait_time(unsigned time)
{
asm ("int $0x40"::"a"(23), "b"(time));
}
unsigned kol_event_check()
{
asm ("int $0x40"::"a"(11));
}
void kol_paint_start()
{
asm ("int $0x40"::"a"(12), "b"(1));
}
void kol_paint_end()
{
asm ("int $0x40"::"a"(12), "b"(2));
}
void kol_paint_pixel(unsigned x, unsigned y, unsigned c)
{
asm ("int $0x40"::"a"(1), "b"(x), "c"(y), "d"(c));
}
void kol_paint_bar(unsigned x, unsigned y, unsigned w, unsigned h, unsigned c)
{
asm ("int $0x40"::"a"(13), "b"(x*65536+w), "c"(y*65536+h), "d"(c));
}
void kol_paint_line(unsigned x1, unsigned y1, unsigned x2, unsigned y2, unsigned c)
{
asm ("int $0x40"::"a"(38), "b"(x1*65536+x2), "c"(y1*65536+y2), "d"(c));
}
void kol_paint_string(unsigned x, unsigned y, char *s, unsigned c)
{
asm ("int $0x40"::"a"(4), "b"(x*65536+y), "c"(c), "d"(s));
}
void kol_paint_image(unsigned x, unsigned y, unsigned w, unsigned h, char *d)
{
asm ("int $0x40"::"a"(7), "c"(w*65536+h), "d"(x*65536+y), "b"(d));
}
void kol_paint_image_pal(unsigned x, unsigned y, unsigned w, unsigned h, char *d, unsigned *palette)
{
asm ("nop"::"c"(w*65536+h), "d"(x*65536+y), "b"(d));
asm ("nop"::"a"(palette));
asm ("movl %eax, %edi");
asm ("xor %eax, %eax");
asm ("movl %eax, %ebp");
asm ("pushl $8");
asm ("popl %esi");
asm ("int $0x40"::"a"(65));
}
unsigned kol_key_get()
{
asm ("int $0x40"::"a"(2));
}
unsigned kol_key_control()
{
asm ("int $0x40"::"a"(66), "b"(3));
}
void kol_key_lang_set(unsigned lang)
{
asm ("int $0x40"::"a"(21), "b"(2), "c"(9), "d"(lang));
}
unsigned kol_key_lang_get()
{
asm ("int $0x40"::"a"(26), "b"(2), "c"(9));
}
void kol_key_mode_set(unsigned mode)
{
asm ("int $0x40"::"a"(66), "b"(1), "c"(mode));
}
unsigned kol_key_mode_get()
{
asm ("int $0x40"::"a"(66), "b"(2));
}
unsigned kol_btn_get()
{
asm ("int $0x40"::"a"(17));
}
void kol_btn_define(unsigned x, unsigned y, unsigned w, unsigned h, unsigned d, unsigned c)
{
asm ("nop"::"b"(x*65536+w), "c"(y*65536+h), "d"(d));
asm ("nop"::"a"(c));
asm ("movl %eax, %esi");
asm ("int $0x40"::"a"(8));
}
void kol_btn_type(unsigned t)
{
asm ("int $0x40"::"a"(48), "b"(1), "c"(t));
}
void kol_wnd_caption(char *s)
{
asm ("int $0x40"::"a"(71), "b"(1), "c"(s));
}
unsigned kol_mouse_pos()
{
asm ("int $0x40"::"a"(37), "b"(0));
}
unsigned kol_mouse_posw()
{
asm ("int $0x40"::"a"(37), "b"(1));
}
unsigned kol_mouse_btn()
{
asm ("int $0x40"::"a"(37), "b"(2));
}
void kol_board_putc(char c)
{
asm ("int $0x40"::"a"(63), "b"(1), "c"(c));
}
void kol_board_puts(char *s)
{
unsigned i;
i = 0;
while (*(s+i))
{
asm ("int $0x40"::"a"(63), "b"(1), "c"(*(s+i)));
i++;
}
}
void kol_board_puti(int n)
{
char c;
if ( n > 1 )
kol_board_puti(n / 10);
c = n % 10 + '0';
asm ("int $0x40"::"a"(63), "b"(1), "c"(c));
}
int kol_file_70(kol_struct70 *k)
{
asm ("int $0x40"::"a"(70), "b"(k));
}
kol_struct_import* kol_cofflib_load(char *name)
{
asm ("int $0x40"::"a"(68), "b"(19), "c"(name));
}
void* kol_cofflib_procload (kol_struct_import *imp, char *name)
{
int i;
for (i=0;;i++)
if ( NULL == ((imp+i) -> name))
break;
else
if ( 0 == strcmp(name, (imp+i)->name) )
return (imp+i)->data;
return NULL;
}
unsigned kol_cofflib_procnum (kol_struct_import *imp)
{
unsigned i, n;
for (i=n=0;;i++)
if ( NULL == ((imp+i) -> name))
break;
else
n++;
return n;
}
void kol_cofflib_procname (kol_struct_import *imp, char *name, unsigned n)
{
unsigned i;
*name = 0;
for (i=0;;i++)
if ( NULL == ((imp+i) -> name))
break;
else
if ( i == n )
{
strcpy(name, ((imp+i)->name));
break;
}
}
unsigned kol_system_cpufreq()
{
asm ("int $0x40"::"a"(18), "b"(5));
}
unsigned kol_system_mem()
{
asm ("int $0x40"::"a"(18), "b"(17));
}
unsigned kol_system_memfree()
{
asm ("int $0x40"::"a"(18), "b"(16));
}
unsigned kol_system_time_get()
{
asm ("int $0x40"::"a"(3));
}
unsigned kol_system_date_get()
{
asm ("int $0x40"::"a"(29));
}
unsigned kol_system_end(unsigned param)
{
asm ("int $0x40"::"a"(18), "b"(9), "c"(param));
}
void kol_path_file2dir(char *dir, char *fname)
{
unsigned i;
strcpy (dir, fname);
for ( i = strlen(dir);; --i)
if ( '/' == dir[i])
{
dir[i] = '\0';
return;
}
}
void kol_path_full(char *full, char *fname)
{
char temp[256];
switch (*fname)
{
case '/':
strncpy(temp, fname+1, 2);
temp[2]=0;
if ( (!strcmp("rd", temp)) || (!strcmp("hd", temp)) || (!strcmp("cd", temp)) )
strcpy (full, fname);
break;
case '.':
break;
default:
break;
};
}
void kol_screen_wait_rr()
{
asm ("int $0x40"::"a"(18), "b"(14));
}
void kol_screen_get_size(unsigned *w, unsigned *h)
{
unsigned size;
asm ("int $0x40":"=a"(size):"a"(14));
*w = size / 65536;
*h = size % 65536;
}
unsigned kol_skin_height()
{
asm ("int $0x40"::"a"(48), "b"(4));
}
unsigned kol_thread_start(unsigned start, unsigned stack)
{
asm ("int $0x40"::"a"(51), "b"(1), "c"(start), "d"(stack));
}
unsigned kol_time_tick()
{
asm ("int $0x40"::"a"(26), "b"(9));
}
unsigned kol_sound_speaker(char data[])
{
asm ("movl %0, %%esi"::"a"(data));
asm ("int $0x40"::"a"(55), "b"(55));
}
unsigned kol_process_info(unsigned slot, char buf1k[])
{
asm ("int $0x40"::"a"(9), "b"(buf1k), "c"(slot));
}
int kol_process_kill_pid(unsigned process)
{
asm ("int $0x40"::"a"(18), "b"(18), "c"(process));
}
int kol_kill_process(unsigned process)
{
asm ("int $0x40"::"a"(18), "b"(2), "c"(process));
}
void kol_get_kernel_ver(char buff16b[])
{
asm ("int $0x40"::"a"(18), "b"(13), "c"(buff16b));
}
int kol_buffer_open(char name[], int mode, int size, char **buf)
{
int error;
asm ("movl %0, %%esi"::"r"(mode));
asm ("int $0x40":"=a"(*buf), "=d"(error):"a"(68), "b"(22), "c"(name), "d"(size));
return error;
}
void kol_buffer_close(char name[])
{
asm ("int $0x40"::"a"(68), "b"(23), "c"(name));
}

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#define NULL ((void*)0)
#define SHM_OPEN 0
#define SHM_OPEN_ALWAYS 0x04
#define SHM_CREATE 0x08
#define SHM_READ 0x00
#define SHM_WRITE 0x01
#define E_NOTFOUND 5
#define E_ACCESS 10
#define E_NOMEM 30
#define E_PARAM 33
typedef struct
{
unsigned p00 __attribute__((packed));
unsigned p04 __attribute__((packed));
unsigned p08 __attribute__((packed));
unsigned p12 __attribute__((packed));
unsigned p16 __attribute__((packed));
char p20 __attribute__((packed));
char *p21 __attribute__((packed));
} kol_struct70 __attribute__((packed));
typedef struct
{
unsigned p00 __attribute__((packed));
char p04 __attribute__((packed));
char p05[3] __attribute__((packed));
unsigned p08 __attribute__((packed));
unsigned p12 __attribute__((packed));
unsigned p16 __attribute__((packed));
unsigned p20 __attribute__((packed));
unsigned p24 __attribute__((packed));
unsigned p28 __attribute__((packed));
unsigned p32[2] __attribute__((packed));
unsigned p40 __attribute__((packed));
} kol_struct_BDVK __attribute__((packed));
typedef struct
{
char *name __attribute__((packed));
void *data __attribute__((packed));
} kol_struct_import __attribute__((packed));
void kol_exit();
void kol_sleep(unsigned d);
void kol_wnd_define(unsigned x, unsigned y, unsigned w, unsigned h, unsigned c);
void kol_wnd_move(unsigned x, unsigned y);
void kol_wnd_caption(char *s);
void kol_event_mask(unsigned e);
unsigned kol_event_wait();
unsigned kol_event_wait_time(unsigned time);
unsigned kol_event_check();
void kol_paint_start();
void kol_paint_end();
void kol_paint_pixel(unsigned x, unsigned y, unsigned c);
void kol_paint_bar(unsigned x, unsigned y, unsigned w, unsigned h, unsigned c);
void kol_paint_line(unsigned x1, unsigned y1, unsigned x2, unsigned y2, unsigned c);
void kol_paint_string(unsigned x, unsigned y, char *s, unsigned c);
void kol_paint_image(unsigned x, unsigned y, unsigned w, unsigned h, char *d);
void kol_paint_image_pal(unsigned x, unsigned y, unsigned w, unsigned h, char *d, unsigned *palette);
unsigned kol_key_get();
unsigned kol_key_control();
void kol_key_lang_set(unsigned lang);
unsigned kol_key_lang_get();
void kol_key_mode_set(unsigned mode);
unsigned kol_key_mode_get();
void kol_btn_define(unsigned x, unsigned y, unsigned w, unsigned h, unsigned d, unsigned c);
unsigned kol_btn_get();
void kol_btn_type(unsigned t);
unsigned kol_mouse_pos();
unsigned kol_mouse_posw();
unsigned kol_mouse_btn();
void kol_board_putc(char c);
void kol_board_puts(char *s);
void kol_board_puti(int n);
int kol_file_70(kol_struct70 *k);
kol_struct_import* kol_cofflib_load(char *name);
void* kol_cofflib_procload (kol_struct_import *imp, char *name);
unsigned kol_cofflib_procnum (kol_struct_import *imp);
void kol_cofflib_procname (kol_struct_import *imp, char *name, unsigned n);
unsigned kol_system_end(unsigned param);
unsigned kol_system_cpufreq();
unsigned kol_system_mem();
unsigned kol_system_memfree();
unsigned kol_system_time_get();
unsigned kol_system_date_get();
void kol_path_file2dir(char *dir, char *fname);
void kol_path_full(char *full, char *fname);
void kol_screen_wait_rr();
void kol_screen_get_size(unsigned *w, unsigned *h);
unsigned kol_skin_height();
unsigned kol_thread_start(unsigned start, unsigned stack);
unsigned kol_time_tick();
unsigned kol_sound_speaker(char data[]);
unsigned kol_process_info(unsigned slot, char buf1k[]);
int kol_process_kill_pid(unsigned process);
void kol_get_kernel_ver(char buff16b[]);
int kol_kill_process(unsigned process);
int kol_buffer_open(char name[], int mode, int size, char **buf);
void kol_buffer_close(char name[]);

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unsigned int seed_o = 0x45168297;
void srand (unsigned seed)
{
seed_o = seed;
}
int rand (void)
{
seed_o = seed_o * 0x15a4e35 + 1;
return(seed_o >> 16);
}
void* malloc(unsigned s)
{
asm ("int $0x40"::"a"(68), "b"(12), "c"(s) );
}
void free(void *p)
{
asm ("int $0x40"::"a"(68), "b"(13), "c"(p) );
}
void* realloc(void *p, unsigned s)
{
asm ("int $0x40"::"a"(68), "b"(12), "c"(p), "d"(s) );
}

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#define RAND_MAX 0x7FFFU
#define isspace(c) ((c)==' ')
#define abs(i) (((i)<0)?(-(i)):(i))
#define random(num) ((rand()*(num))/((RAND_MAX+1)))
void* malloc(unsigned size);
void free(void *pointer);
void* realloc(void* pointer, unsigned size);
void srand (unsigned seed);
int rand (void);

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#include "string.h"
void* memset(void *mem, int c, unsigned size)
{
unsigned i;
for ( i = 0; i < size; i++ )
*((char *)mem+i) = (char) c;
return NULL;
}
void* memcpy(void *dst, const void *src, unsigned size)
{
unsigned i;
for ( i = 0; i < size; i++)
*(char *)(dst+i) = *(char *)(src+i);
return NULL;
}
int memcmp(const void* buf1, const void* buf2, int count)
{
int i;
for (i=0;i<count;i++)
{
if (*(unsigned char*)buf1<*(unsigned char*)buf2)
return -1;
if (*(unsigned char*)buf1>*(unsigned char*)buf2)
return 1;
}
return 0;
}
void strcat(char strDest[], char strSource[])
{
int i, j;
i = j = 0;
while (strDest[i] != '\0')
i++;
while ((strDest[i++] = strSource[j++]) != '\0')
;
}
int strcmp(const char* string1, const char* string2)
{
while (1)
{
if (*string1<*string2)
return -1;
if (*string1>*string2)
return 1;
if (*string1=='\0')
return 0;
string1++;
string2++;
}
}
void strcpy(char strDest[], const char strSource[])
{
unsigned i;
i = 0;
while ((strDest[i] = strSource[i]) != '\0')
i++;
}
char* strncpy(char *strDest, const char *strSource, unsigned n)
{
unsigned i;
if (! n )
return strDest;
i = 0;
while ((strDest[i] = strSource[i]) != '\0')
if ( (n-1) == i )
break;
else
i++;
return strDest;
}
int strlen(const char* string)
{
int i;
i=0;
while (*string++) i++;
return i;
}
char* strchr(const char* string, int c)
{
while (*string)
{
if (*string==c)
return (char*)string;
string++;
}
return (char*)0;
}
void _itoa(int i, char *s)
{
int a, b, c, d;
a = (i - i%1000)/1000;
b = (i - i%100)/100 - a*10;
c = (i - i%10)/10 - a*100 - b*10;
d = i%10;
s[0] = a + '0';
s[1] = b + '0';
s[2] = c + '0';
s[3] = d + '0';
s[4] = 0;
}

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#ifndef NULL
#define NULL ((void*)0)
#endif
void* memset(void *mem, int c, unsigned size);
void* memcpy(void *dst, const void *src, unsigned size);
int memcmp(const void* buf1, const void* buf2, int count);
void strcat(char strDest[], char strSource[]);
int strcmp(const char* string1, const char* string2);
void strcpy(char strDest[], const char strSource[]);
char* strncpy(char *strDest, const char *strSource, unsigned n);
int strlen(const char* string);
char *strchr(const char* string, int c);
void _itoa(int i, char *s);