Dlfcn.dlsym Method
Definition
Important
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Overloads
| dlsym(Dlfcn+RTLD, String) |
Returns the address of the specified symbol in the current process. |
| dlsym(IntPtr, String) |
Returns the address of the specified symbol in the dynamic library. |
dlsym(Dlfcn+RTLD, String)
Returns the address of the specified symbol in the current process.
public static IntPtr dlsym (ObjCRuntime.Dlfcn.RTLD lookupType, string symbol);static member dlsym : ObjCRuntime.Dlfcn.RTLD * string -> nativeintParameters
- lookupType
- Dlfcn.RTLD
Determines how the symbol is looked up
- symbol
- String
Name of the public symbol in the dynamic library to look up.
Returns
nativeint
Returns null if the symbol was not found. The error condition can be probed using the dlerror().
Remarks
Returns the address of the specified symbol in the dynamic library.
The lookupType controls which libraries the dynamic linker will search.
Applies to
dlsym(IntPtr, String)
Returns the address of the specified symbol in the dynamic library.
public static IntPtr dlsym (IntPtr handle, string symbol);static member dlsym : nativeint * string -> nativeintParameters
- handle
-
IntPtr
nativeint
Handle to the dynamic library previously opened with dlopen(String, Int32).
- symbol
- String
Name of the public symbol in the dynamic library to look up.
Returns
nativeint
Returns null if the symbol was not found. The error condition can be probed using the dlerror().
Remarks
Returns the address of the specified symbol in the dynamic library.
Which libraries and bundles are searched depends on the handle parameter.
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.