get diagnostic information
cc . . . -lc
returns a null-terminated character string (with no trailing newline)
that describes the last error that occurred during dynamic linking
If no dynamic linking errors have occurred since the last
invocation of dlerror,
dlerror returns NULL.
Thus, invoking dlerror
a second time, immediately following a prior invocation, results in
NULL being returned.
The messages returned by dlerror
may reside in a static buffer that is overwritten on each call to
Application code should not write to this buffer.
Programs wishing to preserve an error message should make their
own copies of that message.
is not part of any currently supported standard;
it is an extension of AT&T System V provided by
The Santa Cruz Operation, Inc.
© 2003 Caldera International, Inc. All rights reserved.
SCO OpenServer Release 5.0.7 -- 11 February 2003