The following bug has been logged on the website:
Bug reference: 17074
Logged by: Alexey Polushin
Email address: barlone@gmail.com
PostgreSQL version: 13.3
Operating system: windows 64 bit
Description:
Function PQsocket from libpq returns int. But on win64, int type has 32
bits, and socket handle has 64 bits.
PQsocket must return а different type, may be ptrdiff_t.