Manpages - dlerror.3

dlerror - obtain error diagnostic for functions in the dlopen API

  #include <dlfcn.h>

  char *dlerror(void);

  Link with -ldl.

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.

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

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

POSIX.1-2001.

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

See *dlopen*(3).

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

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