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

Use xtoi ( stdlib.h ). The string has "0x" as first two indexes so trim val[0] and val[1] off by sending xtoi &val[2].

xtoi( &val[2] );