DECIMAL_COMPACT_SHORT
DECIMAL_COMPACT_LONG
POSIX_SC_OPEN_MAXIPPROTO_ICMP
IPPROTO_ICMPV6
TCP_FUNCTION_BLK (FreeBSD seulement)
TCP_FUNCTION_ALIAS (FreeBSD seulement)
TCP_REUSPORT_LB_NUMA (FreeBSD seulement)
TCP_REUSPORT_LB_NUMA_NODOM (FreeBSD seulement)
TCP_REUSPORT_LB_NUMA_CURDOM (FreeBSD seulement)
TCP_BBR_ALGORITHM (FreeBSD seulement)
AF_PACKET (Linux seulement)
IP_BINDANY (FreeBSD/NetBSD/OpenBSD seulement)
SO_BUSY_POLL (Linux seulement)
UDP_SEGMENT (Linux seulement)
SHUT_RD
SHUT_WR
SHUT_RDWR
IMAGETYPE_HEIF
IMAGETYPE_SVG
lorsque libxml est chargé.