Guardian C Library Calls Reference Manual

Summary of Library Header Files

Guardian TNS C Library Calls Reference Manual—128833 2-5

The header fcntlh declares all of the alternate-model I/O functions and several of the

general file and model conversion functions. In addition, fcntlh defines several object-

like macros for use by the open, creat, lseek, edlseek, and fcntl functions.

The functions declared in fcntlh are:

chvol close creat edlseek

fcntl fdtogfn lseek open

read readupdate reply write

writeread unlink

Here are the macros defined for use in open and creat. The meanings of these macros are

described in the discussion of open in Section 3, “Reference to Library Calls”:

O_APPEND O_BINARY O_CREAT O_EXCL

O_EXCLUSIVE O_PROTECTED O_RDONLY O_RDWR

O_SHARED O_SYSMSG O_TEXT O_TRUNC

O_WRONLY

Here are the macros defined for use in lseek and edlseek. The meanings of these macros

are described in the discussions of lseek and edlseek in Section 3, “Reference to Library

Calls”:

SEEK_CUR SEEK_END SEEK_SET

ESPIERR Interface error from SPI

ESPIPE Illegal seek

ESRCH No such process or table entry

ETIMEDOUT Connection timed out

ETXTBSY Object (text) file busy

EUNKNOWN Unknown error

EVERSION Version mismatch

EWOULDBLOCK Operation would block

EXDEV Cross-device link

EWRONGID I/O operation on failed or downed IOP

EXDRDECODE XDR decoding error

EXDRENCODE XDR encoding error

Table 2-1. Macros in Errnoh Header (page 4 of 4)

Macro Meaning