uclibc-ng/ldso/libdl/dlfcn.h

#ifndef DLFCN_H
#define DLFCN_H

#include <features.h>

/*
 * Various defines and so forth for the dynamic linker
 */

/* For dlopen () */
#define RTLD_LAZY	1
#define RTLD_NOW	2
#define RTLD_GLOBAL	0x100

/* For dlsym */
#define RTLD_NEXT	((void *)-1)

__BEGIN_DECLS

/* The usual prototypes.  We use void * instead of the actual
 * datatype - the user does not manipulate the handles at all.
 */
 
extern void * dlopen __P((__const char * __filename, int __flag));
extern __const char * dlerror __P((void));
extern void * dlsym __P((void *, __const char *));
extern int dlclose __P((void *));

typedef struct
{
  const char *   dli_fname;   /* filename */
  void *         dli_fbase;   /*  base address of object */
  const char *   dli_sname;   /* nearest symbol name */
  void *         dli_saddr;   /* nearest symbol address */
} Dl_info;

extern int dladdr __P((void * __address, Dl_info * __dlip )); 

__END_DECLS

#endif