Issue with dispaly of special character like 'TM'

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dlsym

DLSYM(3)						   BSD Library Functions Manual 						  DLSYM(3)

NAME

     dlsym -- get address of a symbol

SYNOPSIS

     #include <dlfcn.h>

     void*
     dlsym(void* handle, const char* symbol);

DESCRIPTION

     dlsym() returns the address of the code or data location specified by the null-terminated character string symbol.  Which libraries and bun-
     dles are searched depends on the handle parameter.

     If dlsym() is called with a handle, returned by dlopen() then only that image and any libraries it depends on are searched for symbol.

     If dlsym() is called with the special handle RTLD_DEFAULT, then all mach-o images in the process (except those loaded with dlopen(xxx,
     RTLD_LOCAL)) are searched in the order they were loaded.  This can be a costly search and should be avoided.

     If dlsym() is called with the special handle RTLD_NEXT, then dyld searches for the symbol in the dylibs the calling image linked against when
     built. It is usually used when you intentionally have multiply defined symbol across images and want to find the "next" definition.  It
     searches other images for the definition that the caller would be using if it did not have a definition.  The exact search algorithm depends
     on whether the caller's image was linked -flat_namespace or -twolevel_namespace.  For flat linked images, the search starts in the load
     ordered list of all images, in the image right after the caller's image.  For two-level images, the search simulates how the static linker
     would have searched for the symbol when linking the caller's image.

     If dlsym() is called with the special handle RTLD_SELF, then the search for the symbol starts with the image that called dlsym().	If it is
     not found, the search continues as if RTLD_NEXT was used.

     If dlsym() is called with the special handle RTLD_MAIN_ONLY, then it only searches for symbol in the main executable.

RETURN VALUES

     The dlsym() function returns a null pointer if the symbol cannot be found, and sets an error condition which may be queried with dlerror().

NOTES

     The symbol name passed to dlsym() is the name used in C source code.  For example to find the address of function foo(), you would pass "foo"
     as the symbol name.  This is unlike the older dyld APIs which required a leading underscore.  If you looking up a C++ symbol, you need to use
     the mangled C++ symbol name.

SEE ALSO

     dlopen(3) dlerror(3) dyld(3) ld(1) cc(1)

								  August 28, 2008

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