How do I specify what function to export from .so library, when compiling the C code?

Question

I have a number of function in my \"C\" code. When I compile .so, I see all names in result .so file. How can I specify (in code or in make file) that only some functions should

Answer 1

In C, if you want a function to remain internal to the file (technically, the "compilation unit") that contains it, you declare it "static". For example,

static int privateAddOne(int x) { return x + 1; }