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DLERROR(3)                 Linux Programmer's Manual                DLERROR(3)

NAME
       dlerror - obtain error diagnostic for functions in the dlopen API

SYNOPSIS
       #include <dlfcn.h>

       char *dlerror(void);

       Link with -ldl.

DESCRIPTION
       The 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.

       dlerror() returns NULL if no errors have occurred since  initialization
       or since it was last called.

VERSIONS
       dlerror() is present in glibc 2.0 and later.

ATTRIBUTES
       For  an  explanation  of  the  terms  used  in  this  section,  see at-
       tributes(7).

       +----------+---------------+---------+
       |Interface | Attribute     | Value   |
       +----------+---------------+---------+
       |dlerror() | Thread safety | MT-Safe |
       +----------+---------------+---------+
CONFORMING TO
       POSIX.1-2001.

NOTES
       The message returned by dlerror() may reside in a statically  allocated
       buffer that is overwritten by subsequent dlerror() calls.

   History
       This function is part of the dlopen API, derived from SunOS.

EXAMPLE
       See dlopen(3).

SEE ALSO
       dladdr(3), dlinfo(3), dlopen(3), dlsym(3)

COLOPHON
       This  page  is  part of release 5.05 of the Linux man-pages project.  A
       description of the project, information about reporting bugs,  and  the
       latest     version     of     this    page,    can    be    found    at
       https://www.kernel.org/doc/man-pages/.

Linux                             2017-09-15                        DLERROR(3)

NAME | SYNOPSIS | DESCRIPTION | VERSIONS | ATTRIBUTES | CONFORMING TO | NOTES | EXAMPLE | SEE ALSO | COLOPHON