obtain error diagnostic for functions in the dlopen API
dlerror() function returns a human-readable,
null-terminated string describing the most recent error that
occurred from a call to one of the functions in the dlopen
API since the last call to dlerror(). The returned
string does not include a trailing newline.
returns NULL if no errors have occurred since initialization
or since it was last called.
is present in glibc 2.0 and later.
explanation of the terms used in this section, see
returned by dlerror() may reside in a statically
allocated buffer that is overwritten by subsequent
This function is part of the dlopen API, derived from
dlinfo(3), dlopen(3), dlsym(3)
This page is
part of release 4.04 of the Linux man-pages project.
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