ida中fuctions和names

Names ： This window contains the list of all imported and library functions, as well as the names of variables and labels recognized by IDA Pro. On the left side of each name is a character that defines the name type:
L — Library function
F — Regular functions and API functions
C — Instruction (label)
A — ASCII string
D — Data
I — Imported function

Functions ：This window contains the entire list of functions recognized by IDA Pro, including library functions and imported user functions.

其实你看一下帮助就很清楚了