1 #include <sys/cdefs.h> 2 #include "namespace.h" 3 #include <lib.h> 4 5 #include <string.h> 6 #include <minix/u64.h> 7 #include <unistd.h> 8 9 #ifdef __weak_alias 10 __weak_alias(lseek, _lseek) 11 #endif 12 13 off_t 14 lseek(int fd, off_t offset, int whence) 15 { 16 message m; 17 18 memset(&m, 0, sizeof(m)); 19 m.m_lc_vfs_lseek.fd = fd; 20 m.m_lc_vfs_lseek.offset = offset; 21 m.m_lc_vfs_lseek.whence = whence; 22 if (_syscall(VFS_PROC_NR, VFS_LSEEK, &m) < 0) return( (off_t) -1); 23 return(m.m_vfs_lc_lseek.offset); 24 } 25