🌍 IP Address Parsing and Formatting Utilities More...

Functions
int	is_valid_ipv4 (const char *ip)
	Check if a string is a valid IPv4 address.

int	is_valid_ipv6 (const char *ip)
	Check if a string is a valid IPv6 address.

int	parse_ipv6_address (const char input, char output, size_t output_size)
	Parse IPv6 address, removing brackets if present.

int	parse_ip_with_port (const char input, char ip_output, size_t ip_output_size, uint16_t *port_output)
	Parse IP address and port from string.

int	parse_address_with_optional_port (const char input, char address_output, size_t address_output_size, uint16_t *port_output, uint16_t default_port)
	Parse address with optional port from string.

asciichat_error_t	format_ip_address (int family, const struct sockaddr addr, char output, size_t output_size)
	Format IP address from socket address structure.

asciichat_error_t	format_ip_with_port (const char ip, uint16_t port, char output, size_t output_size)
	Format IP address with port number.

int	get_ip_version (const char *ip)
	Get IP address version.

int	is_valid_ip (const char *ip)
	Check if string is a valid IP address (IPv4 or IPv6)

int	ip_equals (const char ip1, const char ip2)
	Compare two IP addresses for equality.

int	ip_compare (const char ip1, const char ip2)
	Compare two IP addresses for sorting.

int	compare_ip_port_strings (const char ip_port1, const char ip_port2)
	Compare two "IP:port" strings with IPv6 normalization.

int	parse_cidr (const char cidr, char ip_out, size_t ip_out_size, int *prefix_out)
	Parse CIDR notation into IP and prefix length.

int	ip_in_cidr (const char ip, const char cidr)
	Check if IP address is within CIDR range.

int	ip_in_cidr_parsed (const char ip, const char network, int prefix_len)
	Check if IP is within CIDR range (parsed form)

asciichat_error_t	ipv4_to_ipv6_mapped (const char ipv4, char ipv6_out, size_t out_size)
	Convert IPv4 address to IPv6-mapped format.

asciichat_error_t	extract_ipv4_from_mapped_ipv6 (const char ipv6, char ipv4_out, size_t out_size)
	Extract IPv4 address from IPv6-mapped format.

int	is_ipv4_mapped_ipv6 (const char *ipv6)
	Check if IPv6 address is IPv4-mapped.

asciichat_error_t	canonicalize_ipv6 (const char ipv6, char canonical_out, size_t out_size)
	Canonicalize IPv6 address to standard form.

asciichat_error_t	expand_ipv6 (const char ipv6, char expanded_out, size_t out_size)
	Expand IPv6 address to full form.

asciichat_error_t	compact_ipv6 (const char ipv6, char compact_out, size_t out_size)
	Compress IPv6 address using :: notation.

int	is_anycast_ipv6 (const char *ipv6)
	Check if IPv6 address is anycast.

int	is_lan_ipv4 (const char *ip)
	Check if IPv4 address is a private/LAN address.

int	is_lan_ipv6 (const char *ip)
	Check if IPv6 address is a private/LAN address.

int	is_broadcast_ipv4 (const char *ip)
	Check if IPv4 address is a broadcast address.

int	is_broadcast_ipv6 (const char *ip)
	Check if IPv6 address is a multicast address.

int	is_localhost_ipv4 (const char *ip)
	Check if IPv4 address is localhost.

int	is_localhost_ipv6 (const char *ip)
	Check if IPv6 address is localhost.

int	is_link_local_ipv4 (const char *ip)
	Check if IPv4 address is a link-local address.

int	is_link_local_ipv6 (const char *ip)
	Check if IPv6 address is a link-local address.

int	is_internet_ipv4 (const char *ip)
	Check if IPv4 address is a public internet address.

int	is_internet_ipv6 (const char *ip)
	Check if IPv6 address is a public internet address.

int	extract_ip_from_address (const char addr_with_port, char ip_out, size_t ip_out_size)
	Extract IP address (without port) from formatted address string.

const char *	get_ip_type_string (const char *ip)
	Get human-readable string describing IP address type.

Detailed Description

🌍 IP Address Parsing and Formatting Utilities

Definition in file ip.h.

Functions

Detailed Description