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XgDhcp

Data Structures
struct	bootp
	DHCP telegram structure. More...
Functions
u_short	DhcpFrameInit (void)
	Initialize the global send frame for DHCP requests.
u_char	DhcpGetOption (u_char opt, void *ptr, u_char size)
	Retrive the specified DCHP option.
int	DhcpQuery (void)
	Query any DHCP server on the local net.

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Function Documentation

u_short DhcpFrameInit (  void    )

Initialize the global send frame for DHCP requests. Returns: Size of the frame.

u_char DhcpGetOption (  u_char    opt, void *    ptr, u_char    size )

Retrive the specified DCHP option. Parameters: opt  Option to look for. ptr  Pointer to the buffer that receives the option value. size  Size of the buffer. Returns: Size of the retrieved option value or zero, if the specified option couldn't be found.

int DhcpQuery (  void    )

Query any DHCP server on the local net. On success, this routine will fill some global variables: local_ip server_ip bootfile netmask broadcast gateway dns sid Returns: 0 on success, -1 otherwise.

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