import idaapi
import idc
import idautils

# Find all cross-references to a function
def find_xrefs(func_name):
    func_ea = idc.get_name_ea_simple(func_name)
    for xref in idautils.XrefsTo(func_ea):
        print(f"Called from: 0x{xref.frm:X}")

# Rename based on pattern
for func_ea in idautils.Functions():
    flags = idc.get_func_attr(func_ea, FUNCATTR_FLAGS)
    if flags & FUNC_LIB:
        continue  # Skip library functions
    # Custom renaming logic