[系统运维]implement libgloss‘s stub in x86_64

close.c

#include <unistd.h>
#include <sys/types.h>
#include <sys/syscall.h>

int
_close (int fildes)
{
	return syscall(SYS_close, fildes);
}

kill.c

#include <unistd.h>
#include <sys/syscall.h>
int
_kill (int pid,
        int sig)
{
return 	syscall(SYS_kill, pid,sig);
}

fstat.c

#include <sys/syscall.h>
#include <unistd.h>
int
_fstat (int          fildes,
        struct stat *st)
{
return 	syscall(SYS_newfstatat, fildes, st);

}

read.c

#include <sys/syscall.h>

int
_read (int   file,
        char *ptr,
        int   len)
{

	return syscall(SYS_read, file, ptr, len);
}

lseek.c

#include <sys/syscall.h>
// #include <unistd.h>
int
_lseek (int   file,
        int   ptr,
        int   dir)
{
return	syscall(SYS_lseek, file, &ptr, dir);
}

fork.c

#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd_64.h>
int
_fork (void)
{
//return 0;
 return syscall(SYS_fork);
}

C_INCLUDE_PATH:
	    export C_INCLUDE_PATH=/home/wk/workspace/newlib-cygwin/newlib/libc/include:/usr/lib/gcc/x86_64-linux-gnu/9/include:/usr/local/include:/usr/include/x86_64-linux-gnu:/usr/include:/usr/include/x86_64-linux-gnu/asm