libpq

Postgres C API library
https://www.postgresql.org/docs/9.6/static/libpq.html This formula is keg-only.

Current version
9.6.6

libpq requires the following formula to be installed:
openssl 1.0.2n SSL/TLS cryptography library

Recent formula history

Dominyk Tiller libpq 9.6.6
ilovezfs libpq 9.6.5
Dominyk Tiller libpq 9.6.4
Jan Viljanen libpq 9.6.3 (new formula)

Formula code at GitHub