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Revista CD Expert 8
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Revista CD Expert nº 08 CD1.iso
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Pacific C for DOS
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INCLUDE
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SYS.H
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C/C++ Source or Header
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1995-03-08
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3KB
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96 lines
/*
* System-dependent functions.
*/
#ifndef _STDDEF
typedef int ptrdiff_t; /* result type of pointer difference */
typedef unsigned size_t; /* type yielded by sizeof */
typedef unsigned short wchar_t; /* wide char type */
#define _STDDEF
#define offsetof(ty, mem) ((int)&(((ty *)0)->mem))
#endif _STDDEF
#ifndef NULL
#define NULL ((void *)0)
#endif NULL
extern int errno; /* system error number */
#if defined(DOS)
#ifndef _FREEMEM
#define _FREEMEM
struct freemem {
unsigned long fr_dosmem;
unsigned long fr_extmem;
};
#endif
extern void getfreemem(struct freemem *);
#endif
extern int execl(char *, char *, ...);
extern int execv(char *, char **);
extern int execve(char *, char **, char **);
extern int execle(char *, char *, ...);
extern int execvp(char *, char **);
extern int execlp(char *, char *, ...);
extern int getpid(void);
extern char * mktemp(char *);
#if defined(unix) || defined(ATDOS)
extern void sync(void);
extern int fork(void);
extern int wait(int *);
extern int getuid(void);
extern int setuid(int);
extern int kill(int, int);
extern int alarm(int);
extern int pause(void);
extern void sleep(unsigned int);
extern int setpgrp(void);
extern int getpgrp(void);
#else unix
extern int spawnl(char *, char *, ...);
extern int spawnv(char *, char **);
extern int spawnle(char *, char *, ...);
extern int spawnve(char *, char **, char **);
extern int spawnlp(char *, char *, ...);
extern int spawnvp(char *, char **);
#endif unix
extern int chdir(char *);
extern int chdrv(char *);
extern int mkdir(char *);
extern int rmdir(char *);
extern char * getcwd(char *);
extern void persist_validate(void);
extern int persist_check(int);
extern char * getdrv(void);
extern char ** _getargs(char *, char *);
extern int _argc_;
#if z80 || i8086
#define inp(p) (*(port unsigned char *)(p))
#define outp(p,v) (*(port unsigned char *)(p) = (v))
#if i8086
#define inpw(p) (*(port unsigned short *)(p))
#define outpw(p,v) (*(port unsigned short *)(p) = (v))
#endif
#endif
extern void * sbrk(size_t);
extern void brk(void *);
#if _HOSTED
struct _iob;
extern int _pnum(unsigned long, signed char, signed char, unsigned char, unsigned char, struct _iobuf *, unsigned char);
extern int _fnum(double, short, short, short, struct _iobuf *, short);
#else
extern int _pnum(unsigned long, signed char, signed char, unsigned char, unsigned char, struct __prbuf *, unsigned char);
extern int _fnum(double, short, short, short, struct __prbuf *, short);
#endif
#if defined(ATDOS)
extern int load_driver(char *);
extern int send_message(unsigned short, unsigned short, unsigned long,
unsigned long, void *, unsigned short);
extern int get_message(unsigned short *, unsigned long *, void *,
unsigned short *);
#endif