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lib_funcs.c
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lib_funcs.c
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/*
* GLOMP - transparent multipipe OpenGL
* Copyright (C) 2007 the GLOMP team (see AUTHORS)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
#include "lib_funcs.h"
/* handles for dlopen/dlclose */
static void* lib_handle_libGL = 0;
static void* lib_handle_libX11 = 0;
static void* lib_handle_libXxf86vm = 0;
static void* lib_handle_libC = 0;
/* GLX stuff */
PFNGLXGETPROCADDRESSARBPROC lib_glXGetProcAddressARB=0;
void (*lib_glXSwapBuffers)(Display *dpy, GLXDrawable drawable)=0;
GLXWindow (*lib_glXCreateWindow) (Display *dpy, GLXFBConfig config,
Window win, const int *attrib_list);
char* (*lib_glXGetClientString)(Display * dpy, int name)=0;
const char* (*lib_glXQueryServerString)(Display *dpy, int screen, int name)=0;
GLXFBConfig* (*lib_glXChooseFBConfig)(Display*,int,int*,int*)=0;
int (*lib_glXGetFBConfigAttrib)(Display *dpy, GLXFBConfig config,
int attribute, int *value)=0;
GLXPbuffer (*lib_glXCreatePbuffer)(Display *dpy, GLXFBConfig config,
const int *attrib_list)=0;
GLXContext (*lib_glXCreateNewContext)(Display *dpy, GLXFBConfig config,
int render_type, GLXContext share_list,
Bool direct)=0;
Bool (*lib_glXIsDirect)(Display *dpy, GLXContext ctx)=0;
Bool (*lib_glXMakeCurrent)(Display *dpy, GLXDrawable drawable,
GLXContext ctx)=0;
XVisualInfo* (*lib_glXChooseVisual)(Display *dpy, int screen,int *attrib_list)=0;
Bool (*lib_glXQueryVersion)(Display *dpy, int *major, int *minor)=0;
GLXContext (*lib_glXCreateContext)(Display *dpy, XVisualInfo *vis,GLXContext share_list, Bool direct)=0;
void (*lib_glXDestroyContext)(Display *dpy, GLXContext ctx)=0;
void (*lib_glXCopyContext)(Display *dpy, GLXContext src, GLXContext dst, unsigned long mask)=0;
int (*lib_glXGetConfig)(Display *dpy, XVisualInfo *vis, int attrib, int *value)=0;
const char *(*lib_glXQueryExtensionsString)(Display *dpy, int screen)=0;
/* GL stuff */
void (*lib_glBindTexture) ( GLenum p0 , GLuint p1 )=0;
void (*lib_glGenTextures) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glFrustum) ( GLdouble left,
GLdouble right,
GLdouble bottom,
GLdouble top,
GLdouble zNear,
GLdouble zFar )=0;
void (*lib_glOrtho) ( GLdouble left,
GLdouble right,
GLdouble bottom,
GLdouble top,
GLdouble zNear,
GLdouble zFar )=0;
GLuint (*lib_glGenLists)( GLsizei range )=0;
void (*lib_glNewList) (GLuint list,GLenum mode)=0;
void (*lib_glCallList) (GLuint list)=0;
void (*lib_glCallLists) (GLsizei n, GLenum type, const GLvoid *lists)=0;
void (*lib_glCopyPixels) (GLint x, GLint y, GLsizei width, GLsizei height, GLenum type)=0;
void (*lib_glCopyTexImage1D) (GLenum target, GLint level, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLint border)=0;
void (*lib_glCopyTexImage2D) (GLenum target, GLint level, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border)=0;
void (*lib_glCopyTexSubImage1D) (GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width)=0;
void (*lib_glCopyTexSubImage2D) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height)=0;
void (*lib_glBindTextureEXT) ( GLenum p0 , GLuint p1 )=0;
void (*lib_glGenTexturesEXT) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glGenQueries) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glBindBuffer) ( GLenum p0 , GLuint p1 )=0;
void (*lib_glGenBuffers) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glBindProgramARB) ( GLenum p0 , GLuint p1 )=0;
void (*lib_glGenProgramsARB) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glBindBufferARB) ( GLenum p0 , GLuint p1 )=0;
void (*lib_glGenBuffersARB) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glGenQueriesARB) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glGenFencesNV) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glBindProgramNV) ( GLenum p0 , GLuint p1 )=0;
void (*lib_glGenProgramsNV) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glGenOcclusionQueriesNV) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glBindRenderbufferEXT) ( GLenum p0 , GLuint p1 )=0;
void (*lib_glGenRenderbuffersEXT) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glBindFramebufferEXT) ( GLenum p0 , GLuint p1 )=0;
void (*lib_glGenFramebuffersEXT) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glDeleteTextures) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glFlush) ()=0;
void (*lib_glFinish) ()=0;
void (*lib_glDeleteQueries) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glDeleteBuffers) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glDeleteProgramsARB) ( GLsizei p0 , const GLuint *p1 )=0;
void (*lib_glDeleteBuffersARB) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glDeleteQueriesARB) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glDeleteTexturesEXT) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glDeleteFencesNV) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glDeleteProgramsNV) ( GLsizei p0 , const GLuint *p1 )=0;
void (*lib_glDeleteOcclusionQueriesNV) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glDeleteRenderbuffersEXT) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glDeleteFramebuffersEXT) ( GLsizei p0 , GLuint *p1 )=0;
void (*lib_glGetIntegerv)(GLenum p0,GLint *p1)=0;
const GLubyte* (*lib_glGetString)( GLenum name )=0;
void (*lib_glMatrixMode) (GLenum mode)=0;
void (*lib_glPushMatrix) (void)=0;
void (*lib_glPopMatrix) (void)=0;
void (*lib_glLoadIdentity) (void)=0;
void (*lib_glLoadMatrixf) (const GLfloat* m)=0;
void (*lib_glLoadMatrixd) (const GLdouble* m)=0;
void (*lib_glViewport)( GLint x,GLint y,GLsizei width,GLsizei height)=0;
void (*lib_glRasterPos2i)( GLint x,GLint y)=0;
void (*lib_glRasterPos2f)( GLfloat x,GLfloat y)=0;
void (*lib_glDrawPixels)( GLsizei width,
GLsizei height,
GLenum format,
GLenum type,
const GLvoid *pixels )=0;
void (*lib_glReadPixels)( GLint x,
GLint y,
GLsizei width,
GLsizei height,
GLenum format,
GLenum type,
GLvoid *pixels )=0;
void (*lib_glMap1d) (GLenum target, GLdouble u1, GLdouble u2, GLint stride, GLint order, const GLdouble *points)=0;
void (*lib_glMap1f) (GLenum target, GLfloat u1, GLfloat u2, GLint stride, GLint order, const GLfloat *points)=0;
void (*lib_glMap2d) (GLenum target, GLdouble u1, GLdouble u2, GLint ustride, GLint uorder, GLdouble v1, GLdouble v2, GLint vstride, GLint vorder, const GLdouble *points)=0;
void (*lib_glMap2f) (GLenum target, GLfloat u1, GLfloat u2, GLint ustride, GLint uorder, GLfloat v1, GLfloat v2, GLint vstride, GLint vorder, const GLfloat *points)=0;
GLboolean (*lib_glIsEnabled) (GLenum cap)=0;
void (*lib_glClientActiveTexture) (GLenum)=0;
void (*lib_glEnableClientState) (GLenum array)=0;
void (*lib_glDisableClientState) (GLenum array)=0;
void (*lib_glVertexPointer) (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)=0;
void (*lib_glWeightPointerARB)(GLint, GLenum, GLsizei, const GLvoid *)=0;
void (*lib_glNormalPointer) (GLenum type, GLsizei stride, const GLvoid *pointer)=0;
void (*lib_glColorPointer) (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)=0;
void (*lib_glSecondaryColorPointer) (GLint, GLenum, GLsizei, const GLvoid *)=0;
void (*lib_glFogCoordPointer) (GLenum, GLsizei, const GLvoid *)=0;
void (*lib_glIndexPointer) (GLenum type, GLsizei stride, const GLvoid *pointer)=0;
void (*lib_glEdgeFlagPointer) (GLsizei stride, const GLvoid *pointer)=0;
void (*lib_glTexCoordPointer) (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer)=0;
void (*lib_glDrawArrays) (GLenum mode, GLint first, GLsizei count)=0;
void (*lib_glDrawElements) (GLenum mode, GLsizei count, GLenum type, const GLvoid *indices)=0;
void (*lib_glGetMapdv) (GLenum target, GLenum query, GLdouble *v)=0;
void (*lib_glGetMapfv) (GLenum target, GLenum query, GLfloat *v)=0;
void (*lib_glGetMapiv) (GLenum target, GLenum query, GLint *v)=0;
void (*lib_glGetTexImage) (GLenum target, GLint level, GLenum format, GLenum type, GLvoid *pixels)=0;
/* X stuff */
Window (*lib_XCreateWindow)(Display *display, Window parent, int x, int y,
unsigned int width, unsigned int height,
unsigned int border_width, int depth,
unsigned int class, Visual *visual,
unsigned long valuemask, XSetWindowAttributes *attributes)=0;
int (*lib_XDestroyWindow)( Display * disp, Window parent)=0;
Display* (*lib_XOpenDisplay)(char*)=0;
int (*lib_XCloseDisplay)(Display * dis)=0;
int (*lib_XSetStandardProperties)(
Display* /* display */,
Window /* w */,
_Xconst char* /* window_name */,
_Xconst char* /* icon_name */,
Pixmap /* icon_pixmap */,
char** /* argv */,
int /* argc */,
XSizeHints* /* hints */
)=0;
int (*lib_XFree) (void *)=0;
int (*lib_XMapRaised)(Display*,Window)=0;
Colormap (*lib_XCreateColormap)(Display*,Window,Visual*,int)=0;
int (*lib_XGrabKeyboard)(
Display* /* display */,
Window /* grab_window */,
Bool /* owner_events */,
int /* pointer_mode */,
int /* keyboard_mode */,
Time /* time */
)=0;
/* XF86vm stuff */
Bool (*lib_XF86VidModeQueryVersion)(Display*,int*,int*)=0;
Bool (*lib_XF86VidModeGetAllModeLines)(Display*,int,int*,XF86VidModeModeInfo***)=0;
Bool (*lib_XF86VidModeSwitchToMode)(Display*,int,XF86VidModeModeInfo*)=0;
Bool (*lib_XF86VidModeSetViewPort)(Display*,int,int,int)=0;
/* libc stuff */
void * (*lib_strstr)(char*,char*)=0;
/*
* Load GLX & X library and find glXSwapBuffers() & other function
*/
void lib_funcs_init()
{
static int loaded=0;
if (loaded)
return;
loaded=1;
/* open library (NOTE: you may need to change this filename!) */
lib_handle_libGL = dlopen("/usr/lib/libGL.so", RTLD_LAZY);
if (!lib_handle_libGL){perror("lib");exit(0);}
/* intercept library GL function */
lib_glXGetProcAddressARB = dlsym(lib_handle_libGL, "glXGetProcAddressARB");
lib_glXSwapBuffers = dlsym(lib_handle_libGL, "glXSwapBuffers");
lib_glXCreateWindow = dlsym(lib_handle_libGL, "glXCreateWindow");
lib_glXQueryServerString = dlsym(lib_handle_libGL, "glXQueryServerString");
lib_glXChooseFBConfig = dlsym(lib_handle_libGL,"glXChooseFBConfig");
lib_glXGetFBConfigAttrib = dlsym(lib_handle_libGL, "glXGetFBConfigAttrib");
lib_glXCreatePbuffer = dlsym(lib_handle_libGL, "glXCreatePbuffer");
lib_glXCreateNewContext = dlsym(lib_handle_libGL, "glXCreateNewContext");
lib_glXIsDirect = dlsym(lib_handle_libGL, "glXIsDirect");
lib_glXMakeCurrent = dlsym(lib_handle_libGL, "glXMakeCurrent");
lib_glXChooseVisual = dlsym(lib_handle_libGL, "glXChooseVisual");
lib_glXQueryVersion = dlsym(lib_handle_libGL, "glXQueryVersion");
lib_glXCreateContext = dlsym(lib_handle_libGL, "glXCreateContext");
lib_glXDestroyContext = dlsym(lib_handle_libGL, "glXDestroyContext");
lib_glXCopyContext = dlsym(lib_handle_libGL, "glXCopyContext");
lib_glXGetConfig = dlsym(lib_handle_libGL, "glXGetConfig");
lib_glXQueryExtensionsString = dlsym(lib_handle_libGL, "glXQueryExtensionsString");
/* intercept library GL function */
lib_glBindTexture = dlsym(lib_handle_libGL, "glBindTexture");
lib_glGenTextures = dlsym(lib_handle_libGL, "glGenTextures");
lib_glFrustum = dlsym(lib_handle_libGL, "glFrustum");
lib_glOrtho = dlsym(lib_handle_libGL, "glOrtho");
lib_glNewList= dlsym(lib_handle_libGL, "glNewList");
lib_glGenLists= dlsym(lib_handle_libGL, "glGenLists");
lib_glCallList= dlsym(lib_handle_libGL, "glCallList");
lib_glCallLists= dlsym(lib_handle_libGL, "glCallLists");
lib_glCopyPixels= dlsym(lib_handle_libGL, "glCopyPixels");
lib_glCopyTexImage1D= dlsym(lib_handle_libGL, "glCopyTexImage1D");
lib_glCopyTexImage2D= dlsym(lib_handle_libGL, "glCopyTexImage2D");
lib_glCopyTexSubImage1D= dlsym(lib_handle_libGL, "glCopyTexSubImage1D");
lib_glCopyTexSubImage2D= dlsym(lib_handle_libGL, "glCopyTexSubImage2D");
lib_glDeleteTextures= dlsym(lib_handle_libGL, "glDeleteTextures");
lib_glFlush= dlsym(lib_handle_libGL, "glFlush");
lib_glFinish= dlsym(lib_handle_libGL, "glFinish");
lib_glGetIntegerv=dlsym(lib_handle_libGL, "glGetIntegerv");
lib_glGetString=dlsym(lib_handle_libGL, "glGetString");
lib_glViewport=dlsym(lib_handle_libGL, "glViewport");
lib_glRasterPos2f = dlsym(lib_handle_libGL, "glRasterPos2f");
lib_glRasterPos2i = dlsym(lib_handle_libGL, "glRasterPos2i");
lib_glDrawPixels = dlsym(lib_handle_libGL, "glDrawPixels");
lib_glReadPixels = dlsym(lib_handle_libGL, "glReadPixels");
lib_glMatrixMode = dlsym(lib_handle_libGL, "glMatrixMode");
lib_glPushMatrix = dlsym(lib_handle_libGL, "glPushMatrix");
lib_glPopMatrix = dlsym(lib_handle_libGL, "glPopMatrix");
lib_glLoadIdentity = dlsym(lib_handle_libGL, "glLoadIdentity");
lib_glLoadMatrixf = dlsym(lib_handle_libGL, "glLoadMatrixf");
lib_glLoadMatrixd = dlsym(lib_handle_libGL, "glLoadMatrixd");
lib_glGetMapdv = dlsym(lib_handle_libGL, "glGetMapdv");
lib_glGetMapfv = dlsym(lib_handle_libGL, "glGetMapfv");
lib_glGetMapiv = dlsym(lib_handle_libGL, "glGetMapiv");
lib_glGetTexImage = dlsym(lib_handle_libGL, "glGetTexImage");
/*les extensions*/
lib_glBindTextureEXT = dlsym(lib_handle_libGL, "glBindTextureEXT");
lib_glGenTexturesEXT = dlsym(lib_handle_libGL, "glGenTexturesEXT");
lib_glGenQueries = dlsym(lib_handle_libGL, "glGenQueries");
lib_glBindBuffer = dlsym(lib_handle_libGL, "glBindBuffer");
lib_glGenBuffers = dlsym(lib_handle_libGL, "glGenBuffers");
lib_glBindProgramARB = dlsym(lib_handle_libGL, "glBindProgramARB");
lib_glGenProgramsARB = dlsym(lib_handle_libGL, "glGenProgramsARB");
lib_glBindBufferARB = dlsym(lib_handle_libGL, "glBindBufferARB");
lib_glGenBuffersARB = dlsym(lib_handle_libGL, "glGenBuffersARB");
lib_glGenQueriesARB = dlsym(lib_handle_libGL, "glGenQueriesARB");
lib_glGenFencesNV = dlsym(lib_handle_libGL, "glGenFencesARB");
lib_glBindProgramNV = dlsym(lib_handle_libGL, "glBindProgramNV");
lib_glGenProgramsNV = dlsym(lib_handle_libGL, "glGenProgramsNV");
lib_glGenOcclusionQueriesNV = dlsym(lib_handle_libGL, "glGenOcclusionQueriesNV");
lib_glBindRenderbufferEXT = dlsym(lib_handle_libGL, "glBindRenderbufferEXT");
lib_glGenRenderbuffersEXT = dlsym(lib_handle_libGL, "glGenRenderbuffersEXT");
lib_glBindFramebufferEXT = dlsym(lib_handle_libGL, "glBindFramebufferEXT");
lib_glGenFramebuffersEXT = dlsym(lib_handle_libGL, "glGenFramebuffersEXT");
lib_glDeleteQueries= dlsym(lib_handle_libGL, "glDeleteQueries");
lib_glDeleteBuffers= dlsym(lib_handle_libGL, "glDeleteBuffers");
lib_glDeleteProgramsARB = dlsym(lib_handle_libGL, "glDeleteProgramsARB");
lib_glDeleteBuffersARB= dlsym(lib_handle_libGL, "glDeleteBuffersARB");
lib_glDeleteQueriesARB= dlsym(lib_handle_libGL, "glDeleteQueriesARB");
lib_glDeleteTexturesEXT= dlsym(lib_handle_libGL, "glDeleteTexturesEXT");
lib_glDeleteFencesNV= dlsym(lib_handle_libGL, "glDeleteFencesNV");
lib_glDeleteProgramsNV = dlsym(lib_handle_libGL, "glDeleteProgramsNV");
lib_glDeleteOcclusionQueriesNV = dlsym(lib_handle_libGL, "glDeleteOcclusionQueriesNV");
lib_glDeleteRenderbuffersEXT = dlsym(lib_handle_libGL, "glDeleteRenderbuffersEXT");
lib_glDeleteFramebuffersEXT = dlsym(lib_handle_libGL, "glDeleteFramebuffersEXT");
lib_glMap1f = dlsym(lib_handle_libGL, "glMap1f");
lib_glMap1d = dlsym(lib_handle_libGL, "glMap1d");
lib_glMap2f = dlsym(lib_handle_libGL, "glMap2f");
lib_glMap2d = dlsym(lib_handle_libGL, "glMap2d");
lib_glIsEnabled = dlsym(lib_handle_libGL, "glIsEnabled");
lib_glClientActiveTexture = dlsym(lib_handle_libGL, "glClientActiveTexture");
lib_glEnableClientState = dlsym(lib_handle_libGL, "glEnableClientState");
lib_glDisableClientState = dlsym(lib_handle_libGL, "glDisableClientState");
lib_glVertexPointer = dlsym(lib_handle_libGL, "glVertexPointer");
lib_glWeightPointerARB = dlsym(lib_handle_libGL, "glWeightPointerARB");
lib_glNormalPointer = dlsym(lib_handle_libGL, "glNormalPointer");
lib_glColorPointer = dlsym(lib_handle_libGL, "glColorPointer");
lib_glSecondaryColorPointer = dlsym(lib_handle_libGL, "glSecondaryColorPointer");
lib_glFogCoordPointer = dlsym(lib_handle_libGL, "glFogCoordPointer");
lib_glIndexPointer = dlsym(lib_handle_libGL, "glIndexPointer");
lib_glEdgeFlagPointer = dlsym(lib_handle_libGL, "glEdgeFlagPointer");
lib_glTexCoordPointer = dlsym(lib_handle_libGL, "glTexCoordPointer");
lib_glDrawArrays = dlsym(lib_handle_libGL, "glDrawArrays");
lib_glDrawElements = dlsym(lib_handle_libGL, "glDrawElements");
/* X11 stuff */
lib_handle_libX11 = dlopen("/usr/lib/libX11.so", RTLD_LAZY);
if (!lib_handle_libX11){perror("lib");exit(0);}
lib_XSetStandardProperties = dlsym(lib_handle_libX11, "XSetStandardProperties");
lib_XCreateWindow = dlsym(lib_handle_libX11, "XCreateWindow");
lib_XDestroyWindow= dlsym(lib_handle_libX11, "XDestroyWindow");
lib_XOpenDisplay = dlsym(lib_handle_libX11, "XOpenDisplay");
lib_XCloseDisplay = dlsym(lib_handle_libX11, "XCloseDisplay");
lib_XFree = dlsym(lib_handle_libX11, "XFree");
lib_XMapRaised = dlsym(lib_handle_libX11, "XMapRaised");
lib_XCreateColormap = dlsym(lib_handle_libX11, "XCreateColormap");
lib_XGrabKeyboard = dlsym(lib_handle_libX11, "XGrabKeyboard");
/* libXxf86vm stuff */
lib_handle_libXxf86vm = dlopen("/usr/lib/libXxf86vm.so", RTLD_LAZY);
lib_XF86VidModeQueryVersion = dlsym(lib_handle_libXxf86vm, "XF86VidModeQueryVersion");
lib_XF86VidModeGetAllModeLines = dlsym(lib_handle_libXxf86vm, "XF86VidModeGetAllModeLines");
lib_XF86VidModeSwitchToMode = dlsym(lib_handle_libXxf86vm, "XF86VidModeSwitchToMode");
lib_XF86VidModeSetViewPort = dlsym(lib_handle_libXxf86vm, "XF86VidModeSetViewPort");
/* libc stuff */
lib_handle_libC = dlopen("/lib/libc.so", RTLD_LAZY);
lib_strstr=dlsym(lib_handle_libC, "strstr");
}