Returns the section with the given section name.

Returns the section structure of the given section in the given segment in image pointed to by the given mach header.

void main()
{
     import core.sys.darwin.mach.getsect;
     import core.sys.darwin.crt_externs;

     auto mph = _NSGetMachExecuteHeader();
     assert(getsectbynamefromheader(mph, "__TEXT", "__text"));
}