Export function names from IDA Pro to text file

export_symbols.idc

// based on https://gist.github.com/hax0kartik/e358ce447a4537bcef534aa8de84817c
#include <idc.idc>

static FuncDump(f, start)
{
    auto ea, str, teststr;

    ea = start;

    while( ea != BADADDR )
    {
        str = GetFunctionName(ea);
        if( str != 0 )
        {
            // Skip functions whose name is the generic sub_XXX()
            teststr = sprintf("sub_%X", ea);
            if( teststr != str )
            {
                fprintf(f, "%s 0x%X\n", str, ea);
            }
        }

        ea = NextFunction(ea);
    }
}

static main() 
{
    auto current = GetInputFile();
    current = AskFile(-1, current, "Where should I write the symbols to?");
    if(current == 0)
    {
        return -1;
    }
    auto f = fopen(current, "wb");
    Message("FuncDump: Start\n");

    FuncDump(f, 0x400000);
    fclose(f);
    Message("FuncDump: Done\n");
}