how to use c function pointer in c#

[semomaniz]

I am trying to use the function created in c language by importing from a dll file. The function in c is

int  RadiusLookup (Trip trip, const char *city, int radius, Bool cities);

How can i use this function in c# ? How can i pass pointers in a function? Please help..

The function is supposed to return a list of cities and zipcodes within the provided radius of the city.

maniz

[semomaniz]

never mind i did figure it out. the pointer can be simply passes in as a string and it worked for me.