lib/libc/sys-minix/lseek.c

   1 #include <sys/cdefs.h>
   2 #include "namespace.h"
   3 #include <lib.h>
   4
   5 #include <unistd.h>
   6
   7 #ifdef __weak_alias
   8 __weak_alias(lseek, _lseek)
   9 #endif
  10
  11 off_t lseek(fd, offset, whence)
  12 int fd;
  13 off_t offset;
  14 int whence;
  15 {
  16   message m;
  17
  18   m.m2_i1 = fd;
  19   m.m2_l1 = offset;
  20   m.m2_i2 = whence;
  21   if (_syscall(VFS_PROC_NR, LSEEK, &m) < 0) return( (off_t) -1);
  22   return( (off_t) m.m2_l1);
  23 }