/********************************************
 *用户库函数声明		add by visual 2016.5.16
 *************************************************/
#include "const.h" //added by mingxuan 2019-5-19
#include "type.h"  //added by mingxuan 2019-5-19
#include "stdarg.h"

#ifndef _STDIO_H_ // added by mingxuan 2019-5-19
#define _STDIO_H_ // added by mingxuan 2019-5-19

/*syscall.asm*/
int get_ticks();
int get_pid();
void *kmalloc(int size);
void *kmalloc_4k();
void *malloc(int size);
void *malloc_4k();
int free(void *arg);
int free_4k(void *AdddrLin);
int fork();
int pthread(void *arg);

// added by xw
/* file system */
#define MAX_FILENAME_LEN 12
#define MAX_PATH 128
#define O_CREAT 1
#define O_RDWR 2
#define SEEK_SET 1
#define SEEK_CUR 2
#define SEEK_END 3

int open(const char *pathname, int flags);     // added by xw, 18/6/19
int close(int fd);                             // added by xw, 18/6/19
int read(int fd, void *buf, int count);        // added by xw, 18/6/19
int write(int fd, const void *buf, int count); // added by xw, 18/6/19
int lseek(int fd, int offset, int whence);     // added by xw, 18/6/19
int unlink(const char *pathname);              // added by xw, 18/6/19
//~xw

/*string.asm*/
long strtol(const char *cp, char **endp, unsigned int base);

/*printf.c*/
// added by mingxuan 2019-5-19
#define EOF -1
// #define _INTSIZEOF(n)   ( (sizeof(n) + sizeof(int) - 1) & ~(sizeof(int) - 1) )
// #define va_start(ap,v) ( ap = (va_list)&v + _INTSIZEOF(v) )
// #define va_arg(ap,t)    ( *(t *)((ap += _INTSIZEOF(t)) - _INTSIZEOF(t)) )
// #define va_end(ap)      ( ap = (va_list)0 )
#define isspace(s) (s == ' ')

#define TOLOWER(x) ((x) | 0x20)
#define isxdigit(c) (('0' <= (c) && (c) <= '9') || ('a' <= (c) && (c) <= 'f') || ('A' <= (c) && (c) <= 'F'))
#define isdigit(c) ('0' <= (c) && (c) <= '9')

void printfmt(void (*putch)(int, void *), void *putdat, const char *fmt, ...);
void vprintfmt(void (*putch)(int, void *), void *putdat, const char *fmt, va_list);
int vsnprintf(char *buf, int n, const char *fmt, va_list ap);
int snprintf(char *buf, int n, const char *fmt, ...);

int vprintf(const char *fmt, va_list ap);
int printf(const char *fmt, ...);

int vkprintf(const char *fmt, va_list ap);
int kprintf(const char *fmt, ...);

// int scanf(char *str, ...);
char getchar();        // added by mingxuan 2019-5-23
char *gets(char *str); // added by mingxuan 2019-5-23

#endif // added by mingxuan 2019-5-19