bin_search

Binary search toolkit function *

inline int bin_search (
　　void * p_v_key - Key to search for.
　　void * p_v_base - First item in the array.
　　int p_n_num - Number of items in the array.
　　int p_n_width - Item size in the array.
　　int * p_n_pos - Number of the searched for element.
)

p_v_key

Key to search for.

p_v_base

First item in the array.

p_n_num

Number of items in the array.

p_n_width

Item size in the array.

p_n_pos

Number of the searched for element.

Binary search toolkit function                                        *
Search for an item in the array by the item key                       *