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ipv4: IPv4 Address Handling

Data Structures
struct	ipv4addr
	IPv4 address structure. More...
Typedefs
typedef uint16	ipv4port
	IPv4 port number.
Functions
int	ipv4_parse (const char *s, ipv4addr *addr, const char **end)
	Parse an IPv4 address. More...
const char *	ipv4_scan (const char *s, ipv4addr *addr)
	Scan a C string for an IPv4 address. More...
const char *	ipv4_format (const ipv4addr *addr)
	Produce a formatted C string from an IPv4 address. More...
Variables
const ipv4addr	IPV4ADDR_ANY
	IPv4 "any" address constant.
const ipv4addr	IPV4ADDR_BROADCAST
	IPv4 broadcast address constant.

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Function Documentation

const char* ipv4_format (  const ipv4addr *    addr )

Produce a formatted C string from an IPv4 address. Note: The return value is statically allocated. Multiple calls to this function will return pointers to the same string.

int ipv4_parse (  const char *    start, ipv4addr *    addr, const char **    end )

Parse an IPv4 address. Deprecated: This function is a wrapper for ipv4_scan. Returns: Non-zero (true) if parsing succeeded, and sets *end to the first character past the end of the address.

const char* ipv4_scan (  const char *    start, ipv4addr *    addr )

Scan a C string for an IPv4 address. Returns: NULL if parsing failed, otherwise a pointer to the first character after the end of the address.

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