Linux Manuals

NAME lwres_string_parse, lwres_addr_parse, lwres_getaddrsbyname, lwres_getnamebyaddr – lightweight resolver utility functions SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_string_parse(lwres_buffer_t *b, char **c, lwres_uint16_t *len); lwres_result_t lwres_addr_parse(lwres_buffer_t *b, lwres_addr_t *addr); lwres_result_t lwres_getaddrsbyname(lwres_context_t *ctx, const char *name, lwres_uint32_t addrtypes, lwres_gabnresponse_t **structp); lwres_result_t lwres_getnamebyaddr(lwres_context_t *ctx, lwres_uint32_t addrtype, lwres_uint16_t addrlen, const unsigned char *addr, lwres_gnbaresponse_t **structp); DESCRIPTION lwres_string_parse() retrieves a DNS-encoded string starting the current pointer of lightweight resolver buffer b: i.e. b->current. When the function returns,…

NAME lwres_gethostbyname, lwres_gethostbyname2, lwres_gethostbyaddr, lwres_gethostent, lwres_sethostent, lwres_endhostent, lwres_gethostbyname_r, lwres_gethostbyaddr_r, lwres_gethostent_r, lwres_sethostent_r, lwres_endhostent_r – lightweight resolver get network host entry SYNOPSIS #include <lwres/netdb.h> struct hostent * lwres_gethostbyname(const char *name); struct hostent * lwres_gethostbyname2(const char *name, int af); struct hostent * lwres_gethostbyaddr(const char *addr, int len, int type); struct hostent * lwres_gethostent(void); void lwres_sethostent(int stayopen); void lwres_endhostent(void); struct hostent * lwres_gethostbyname_r(const char *name, struct hostent *resbuf,…

NAME lwres_gethostbyname, lwres_gethostbyname2, lwres_gethostbyaddr, lwres_gethostent, lwres_sethostent, lwres_endhostent, lwres_gethostbyname_r, lwres_gethostbyaddr_r, lwres_gethostent_r, lwres_sethostent_r, lwres_endhostent_r – lightweight resolver get network host entry SYNOPSIS #include <lwres/netdb.h> struct hostent * lwres_gethostbyname(const char *name); struct hostent * lwres_gethostbyname2(const char *name, int af); struct hostent * lwres_gethostbyaddr(const char *addr, int len, int type); struct hostent * lwres_gethostent(void); void lwres_sethostent(int stayopen); void lwres_endhostent(void); struct hostent * lwres_gethostbyname_r(const char *name, struct hostent *resbuf,…

NAME lwres_string_parse, lwres_addr_parse, lwres_getaddrsbyname, lwres_getnamebyaddr – lightweight resolver utility functions SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_string_parse(lwres_buffer_t *b, char **c, lwres_uint16_t *len); lwres_result_t lwres_addr_parse(lwres_buffer_t *b, lwres_addr_t *addr); lwres_result_t lwres_getaddrsbyname(lwres_context_t *ctx, const char *name, lwres_uint32_t addrtypes, lwres_gabnresponse_t **structp); lwres_result_t lwres_getnamebyaddr(lwres_context_t *ctx, lwres_uint32_t addrtype, lwres_uint16_t addrlen, const unsigned char *addr, lwres_gnbaresponse_t **structp); DESCRIPTION lwres_string_parse() retrieves a DNS-encoded string starting the current pointer of lightweight resolver buffer b: i.e. b->current. When the function returns,…

NAME lwres_lwpacket_renderheader, lwres_lwpacket_parseheader – lightweight resolver packet handling functions SYNOPSIS #include <lwres/lwpacket.h> lwres_result_t lwres_lwpacket_renderheader(lwres_buffer_t *b, lwres_lwpacket_t *pkt); lwres_result_t lwres_lwpacket_parseheader(lwres_buffer_t *b, lwres_lwpacket_t *pkt); DESCRIPTION These functions rely on a struct lwres_lwpacket which is defined in lwres/lwpacket.h. typedef struct lwres_lwpacket lwres_lwpacket_t; struct lwres_lwpacket { lwres_uint32_t length; lwres_uint16_t version; lwres_uint16_t pktflags; lwres_uint32_t serial; lwres_uint32_t opcode; lwres_uint32_t result; lwres_uint32_t recvlength; lwres_uint16_t authtype; lwres_uint16_t…

NAME lwres_nooprequest_render, lwres_noopresponse_render, lwres_nooprequest_parse, lwres_noopresponse_parse, lwres_noopresponse_free, lwres_nooprequest_free – lightweight resolver no-op message handling SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_nooprequest_render(lwres_context_t *ctx, lwres_nooprequest_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_noopresponse_render(lwres_context_t *ctx, lwres_noopresponse_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_nooprequest_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_nooprequest_t **structp); lwres_result_t lwres_noopresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_noopresponse_t **structp); void lwres_noopresponse_free(lwres_context_t *ctx, lwres_noopresponse_t **structp); void lwres_nooprequest_free(lwres_context_t *ctx, lwres_nooprequest_t **structp); DESCRIPTION These are low-level routines for creating and parsing lightweight resolver no-op request…

NAME lwres_nooprequest_render, lwres_noopresponse_render, lwres_nooprequest_parse, lwres_noopresponse_parse, lwres_noopresponse_free, lwres_nooprequest_free – lightweight resolver no-op message handling SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_nooprequest_render(lwres_context_t *ctx, lwres_nooprequest_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_noopresponse_render(lwres_context_t *ctx, lwres_noopresponse_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_nooprequest_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_nooprequest_t **structp); lwres_result_t lwres_noopresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_noopresponse_t **structp); void lwres_noopresponse_free(lwres_context_t *ctx, lwres_noopresponse_t **structp); void lwres_nooprequest_free(lwres_context_t *ctx, lwres_nooprequest_t **structp); DESCRIPTION These are low-level routines for creating and parsing lightweight resolver no-op request…

NAME lwres_nooprequest_render, lwres_noopresponse_render, lwres_nooprequest_parse, lwres_noopresponse_parse, lwres_noopresponse_free, lwres_nooprequest_free – lightweight resolver no-op message handling SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_nooprequest_render(lwres_context_t *ctx, lwres_nooprequest_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_noopresponse_render(lwres_context_t *ctx, lwres_noopresponse_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_nooprequest_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_nooprequest_t **structp); lwres_result_t lwres_noopresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_noopresponse_t **structp); void lwres_noopresponse_free(lwres_context_t *ctx, lwres_noopresponse_t **structp); void lwres_nooprequest_free(lwres_context_t *ctx, lwres_nooprequest_t **structp); DESCRIPTION These are low-level routines for creating and parsing lightweight resolver no-op request…

NAME lwres_nooprequest_render, lwres_noopresponse_render, lwres_nooprequest_parse, lwres_noopresponse_parse, lwres_noopresponse_free, lwres_nooprequest_free – lightweight resolver no-op message handling SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_nooprequest_render(lwres_context_t *ctx, lwres_nooprequest_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_noopresponse_render(lwres_context_t *ctx, lwres_noopresponse_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_nooprequest_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_nooprequest_t **structp); lwres_result_t lwres_noopresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_noopresponse_t **structp); void lwres_noopresponse_free(lwres_context_t *ctx, lwres_noopresponse_t **structp); void lwres_nooprequest_free(lwres_context_t *ctx, lwres_nooprequest_t **structp); DESCRIPTION These are low-level routines for creating and parsing lightweight resolver no-op request…

NAME lwres_nooprequest_render, lwres_noopresponse_render, lwres_nooprequest_parse, lwres_noopresponse_parse, lwres_noopresponse_free, lwres_nooprequest_free – lightweight resolver no-op message handling SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_nooprequest_render(lwres_context_t *ctx, lwres_nooprequest_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_noopresponse_render(lwres_context_t *ctx, lwres_noopresponse_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_nooprequest_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_nooprequest_t **structp); lwres_result_t lwres_noopresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_noopresponse_t **structp); void lwres_noopresponse_free(lwres_context_t *ctx, lwres_noopresponse_t **structp); void lwres_nooprequest_free(lwres_context_t *ctx, lwres_nooprequest_t **structp); DESCRIPTION These are low-level routines for creating and parsing lightweight resolver no-op request…

NAME lwres_nooprequest_render, lwres_noopresponse_render, lwres_nooprequest_parse, lwres_noopresponse_parse, lwres_noopresponse_free, lwres_nooprequest_free – lightweight resolver no-op message handling SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_nooprequest_render(lwres_context_t *ctx, lwres_nooprequest_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_noopresponse_render(lwres_context_t *ctx, lwres_noopresponse_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_nooprequest_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_nooprequest_t **structp); lwres_result_t lwres_noopresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_noopresponse_t **structp); void lwres_noopresponse_free(lwres_context_t *ctx, lwres_noopresponse_t **structp); void lwres_nooprequest_free(lwres_context_t *ctx, lwres_nooprequest_t **structp); DESCRIPTION These are low-level routines for creating and parsing lightweight resolver no-op request…

NAME lwres_nooprequest_render, lwres_noopresponse_render, lwres_nooprequest_parse, lwres_noopresponse_parse, lwres_noopresponse_free, lwres_nooprequest_free – lightweight resolver no-op message handling SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_nooprequest_render(lwres_context_t *ctx, lwres_nooprequest_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_noopresponse_render(lwres_context_t *ctx, lwres_noopresponse_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_nooprequest_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_nooprequest_t **structp); lwres_result_t lwres_noopresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_noopresponse_t **structp); void lwres_noopresponse_free(lwres_context_t *ctx, lwres_noopresponse_t **structp); void lwres_nooprequest_free(lwres_context_t *ctx, lwres_nooprequest_t **structp); DESCRIPTION These are low-level routines for creating and parsing lightweight resolver no-op request…

NAME lwres_net_ntop – lightweight resolver IP address presentation SYNOPSIS #include <lwres/net.h> const char * lwres_net_ntop(int af, const void *src, char *dst, size_t size); DESCRIPTION lwres_net_ntop() converts an IP address of protocol family af — IPv4 or IPv6 — at location src from network format to its conventional representation as a string. For IPv4 addresses, that string would be a…

NAME lwres_lwpacket_renderheader, lwres_lwpacket_parseheader – lightweight resolver packet handling functions SYNOPSIS #include <lwres/lwpacket.h> lwres_result_t lwres_lwpacket_renderheader(lwres_buffer_t *b, lwres_lwpacket_t *pkt); lwres_result_t lwres_lwpacket_parseheader(lwres_buffer_t *b, lwres_lwpacket_t *pkt); DESCRIPTION These functions rely on a struct lwres_lwpacket which is defined in lwres/lwpacket.h. typedef struct lwres_lwpacket lwres_lwpacket_t; struct lwres_lwpacket { lwres_uint32_t length; lwres_uint16_t version; lwres_uint16_t pktflags; lwres_uint32_t serial; lwres_uint32_t opcode; lwres_uint32_t result; lwres_uint32_t recvlength; lwres_uint16_t authtype; lwres_uint16_t…

NAME lwres_lwpacket_renderheader, lwres_lwpacket_parseheader – lightweight resolver packet handling functions SYNOPSIS #include <lwres/lwpacket.h> lwres_result_t lwres_lwpacket_renderheader(lwres_buffer_t *b, lwres_lwpacket_t *pkt); lwres_result_t lwres_lwpacket_parseheader(lwres_buffer_t *b, lwres_lwpacket_t *pkt); DESCRIPTION These functions rely on a struct lwres_lwpacket which is defined in lwres/lwpacket.h. typedef struct lwres_lwpacket lwres_lwpacket_t; struct lwres_lwpacket { lwres_uint32_t length; lwres_uint16_t version; lwres_uint16_t pktflags; lwres_uint32_t serial; lwres_uint32_t opcode; lwres_uint32_t result; lwres_uint32_t recvlength; lwres_uint16_t authtype; lwres_uint16_t…

NAME lwres_net_ntop – lightweight resolver IP address presentation SYNOPSIS #include <lwres/net.h> const char * lwres_net_ntop(int af, const void *src, char *dst, size_t size); DESCRIPTION lwres_net_ntop() converts an IP address of protocol family af — IPv4 or IPv6 — at location src from network format to its conventional representation as a string. For IPv4 addresses, that string would be a…

NAME lwres_herror, lwres_hstrerror – lightweight resolver error message generation SYNOPSIS #include <lwres/netdb.h> void lwres_herror(const char *s); const char * lwres_hstrerror(int err); DESCRIPTION lwres_herror() prints the string s on stderr followed by the string generated by lwres_hstrerror() for the error code stored in the global variable lwres_h_errno. lwres_hstrerror() returns an appropriate string for the error code gievn by…

NAME lwres_herror, lwres_hstrerror – lightweight resolver error message generation SYNOPSIS #include <lwres/netdb.h> void lwres_herror(const char *s); const char * lwres_hstrerror(int err); DESCRIPTION lwres_herror() prints the string s on stderr followed by the string generated by lwres_hstrerror() for the error code stored in the global variable lwres_h_errno. lwres_hstrerror() returns an appropriate string for the error code gievn by…

NAME lwres_gnbarequest_render, lwres_gnbaresponse_render, lwres_gnbarequest_parse, lwres_gnbaresponse_parse, lwres_gnbaresponse_free, lwres_gnbarequest_free – lightweight resolver getnamebyaddress message handling SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_gnbarequest_render(lwres_context_t *ctx, lwres_gnbarequest_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gnbaresponse_render(lwres_context_t *ctx, lwres_gnbaresponse_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gnbarequest_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gnbarequest_t **structp); lwres_result_t lwres_gnbaresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gnbaresponse_t **structp); void lwres_gnbaresponse_free(lwres_context_t *ctx, lwres_gnbaresponse_t **structp); void lwres_gnbarequest_free(lwres_context_t *ctx, lwres_gnbarequest_t **structp); DESCRIPTION These are low-level routines for creating and parsing lightweight resolver address-to-name lookup…

NAME lwres_gnbarequest_render, lwres_gnbaresponse_render, lwres_gnbarequest_parse, lwres_gnbaresponse_parse, lwres_gnbaresponse_free, lwres_gnbarequest_free – lightweight resolver getnamebyaddress message handling SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_gnbarequest_render(lwres_context_t *ctx, lwres_gnbarequest_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gnbaresponse_render(lwres_context_t *ctx, lwres_gnbaresponse_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gnbarequest_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gnbarequest_t **structp); lwres_result_t lwres_gnbaresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gnbaresponse_t **structp); void lwres_gnbaresponse_free(lwres_context_t *ctx, lwres_gnbaresponse_t **structp); void lwres_gnbarequest_free(lwres_context_t *ctx, lwres_gnbarequest_t **structp); DESCRIPTION These are low-level routines for creating and parsing lightweight resolver address-to-name lookup…