Convert hex string (char []) to int?

Question

I have a char[] that contains a value such as \"0x1800785\" but the function I want to give the value to requires an int, how can I convert this to an int? I have searched a

Answer 1

Something like this could be useful:

char str[] = "0x1800785";
int num;

sscanf(str, "%x", &num);
printf("0x%x %i\n", num, num); 

Read man sscanf