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Guy Harris (talk | contribs) Limit this to using the other software *within the program*, to cover cases of direct procedure calls and the like. Once you open it up to other mechanisms, there's more than just running a child process - there's also connecting to an existing service using either a local mechanism or over a network, but those are different from direct calls, with additional ways in which it can fail. |
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<syntaxhighlight lang="c">
void* sdl_library = dlopen("libSDL.so", RTLD_LAZY);
if (!sdl_library
// report error ...
} else {
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<syntaxhighlight lang="c">
void* sdl_library = dlopen("libSDL.dylib", RTLD_LAZY);
if (!sdl_library
// report error ...
} else {
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<syntaxhighlight lang="c">
void* sdl_library = dlopen("/Library/Frameworks/SDL.framework/SDL", RTLD_LAZY);
if (!sdl_library
// report error ...
} else {
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<syntaxhighlight lang="c">
HMODULE sdl_library = LoadLibrary(TEXT("SDL.dll"));
if (!sdl_library
// report error ...
} else {
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<syntaxhighlight lang="c">
void* initializer = dlsym(sdl_library, "SDL_Init");
if (!initializer
// report error ...
} else {
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====Windows====
<syntaxhighlight lang="c">
FARPROC initializer = GetProcAddress(sdl_library, "SDL_Init");
if (!initializer
// report error ...
} else {
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<syntaxhighlight lang="c">
typedef void (*sdl_init_function_type)(void);
union { sdl_init_function_type func; void
alias.obj = initializer;
sdl_init_function_type init_func = alias.func;
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====Unix-like operating systems (Solaris, Linux, *BSD, macOS, etc.)====
<syntaxhighlight lang="c">
void* this_process = dlopen(NULL, 0);
</syntaxhighlight>
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HMODULE this_process_again;
GetModuleHandleEx(0, 0, &this_process_again);
</syntaxhighlight>
==In Java==
{{further|Java
In the [[Java programming language]], [[Java class|classes]] can be dynamically loaded using the '''{{Javadoc:SE|java/lang|ClassLoader}}''' object. For example:
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