How to create and use dynamic libraries in Visual Studio?

Static libraries are copied entirely into the executable file during linking, while dynamic libraries are loaded into memory at runtime and can be shared by multiple programs. Below are the steps for creating and using dynamic libraries.

Create a dynamic library.

1. Write the source code file, it can be a single file or multiple files.
2. Compile the source.c file into source.o using the command gcc -c -fPIC.
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5. Create a shared library named libsource.so by compiling the source file source.o using the gcc compiler.
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Use dynamic libraries.

1. Write the main program source code file and call functions from the dynamic library.
2. Compile main.c using the source library and output as main.
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5. source library
6. Please run the main program.

Please take note:

1. The naming convention for dynamic libraries is libname.so, where name is the name of the library.
2. When compiling and linking the main program, it is necessary to specify the path where the dynamic library is located (using the -L option) and the name of the dynamic library (using the -l option).
3. When running the main program, it is necessary to add the path of the dynamic library to the system’s library search path, or copy the dynamic library file to the system’s library search path.

This is an example of creating and using a simple dynamic library, specific operations may vary due to different programming languages or operating systems.