ldahread.3x

<B>Digital的Unix操作系统VAX 4.2源码</B>

.TH ldahread 3x RISC
.SH Name
ldahread \- read the archive header of a member of an archive file 
.SH Syntax
.nf
.ta \w'\s-1LDFILE\s+1\ \ \ 'u
.B #include <stdio.h>
.B #include <ar.h>
.B #include <filehdr.h>
.B #include <syms.h>
.B #include <ldfcn.h>
.PP
.BR "int ldahread (" "ldptr, arhead" )
.BR "\s-1LDFILE\s+1 \(**" ldptr ;
.BR "\s-1ARCHDR\s+1 \(**" arhead ;
.fi
.DT
.SH Description
If 
.BI \s-1TYPE\s+1( ldptr )
is the archive file magic number, the
.PN ldahread
function reads the archive header of the common object file 
currently associated with
.I ldptr
into the area of memory beginning at
.IR arhead .
.PP
The
.PN ldahread
function returns success or failure.  If 
.BI \s-1TYPE\s+1( ldptr )
does not represent an archive file or if it cannot read the archive header,
.PN ldahread
fails.
.SH See Also
intro(3x), ldclose(3x), ldopen(3x), ar(5), ldfcn(5)