NAME

       dlerror - obtain error diagnostic for functions in the dlopen API

LIBRARY

       Dynamic linking library (libdl, -ldl)

SYNOPSIS

       #include <dlfcn.h>

       char *dlerror(void);

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.

ATTRIBUTES

       For an explanation of the terms used in this section, see attributes(7).

       ┌──────────────────────────────────────────────────────────────────────────────┬───────────────┬─────────┐
       │Interface                                                                     │ Attribute     │ Value   │
       ├──────────────────────────────────────────────────────────────────────────────┼───────────────┼─────────┤
       │dlerror()                                                                     │ Thread safety │ MT-Safe │
       └──────────────────────────────────────────────────────────────────────────────┴───────────────┴─────────┘

STANDARDS

       POSIX.1-2008.

HISTORY

       glibc 2.0.  POSIX.1-2001.

       SunOS.

NOTES

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

EXAMPLES

       See dlopen(3).

SEE ALSO

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