Author: Linux Manual

NAME lwres_getaddrinfo, lwres_freeaddrinfo – socket address structure to host and service name SYNOPSIS #include <lwres/netdb.h> int lwres_getaddrinfo(const char *hostname, const char *servname, const struct addrinfo *hints, struct addrinfo **res); void lwres_freeaddrinfo(struct addrinfo *ai); If the operating system does not provide a struct addrinfo, the following structure is used: struct addrinfo { int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ int ai_family; /*…

NAME lwres_gai_strerror – print suitable error string SYNOPSIS #include <lwres/netdb.h> char * gai_strerror(int ecode); DESCRIPTION lwres_gai_strerror() returns an error message corresponding to an error code returned by getaddrinfo(). The following error codes and their meaning are defined in include/lwres/netdb.h. EAI_ADDRFAMILY address family for hostname not supported EAI_AGAIN temporary failure in name resolution EAI_BADFLAGS invalid value for…

NAME lwres_gabnrequest_render, lwres_gabnresponse_render, lwres_gabnrequest_parse, lwres_gabnresponse_parse, lwres_gabnresponse_free, lwres_gabnrequest_free – lightweight resolver getaddrbyname message handling SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_gabnrequest_render(lwres_context_t *ctx, lwres_gabnrequest_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gabnresponse_render(lwres_context_t *ctx, lwres_gabnresponse_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gabnrequest_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gabnrequest_t **structp); lwres_result_t lwres_gabnresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gabnresponse_t **structp); void lwres_gabnresponse_free(lwres_context_t *ctx, lwres_gabnresponse_t **structp); void lwres_gabnrequest_free(lwres_context_t *ctx, lwres_gabnrequest_t **structp); DESCRIPTION These are low-level routines for creating and parsing lightweight resolver name-to-address lookup…

NAME lwres_gabnrequest_render, lwres_gabnresponse_render, lwres_gabnrequest_parse, lwres_gabnresponse_parse, lwres_gabnresponse_free, lwres_gabnrequest_free – lightweight resolver getaddrbyname message handling SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_gabnrequest_render(lwres_context_t *ctx, lwres_gabnrequest_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gabnresponse_render(lwres_context_t *ctx, lwres_gabnresponse_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gabnrequest_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gabnrequest_t **structp); lwres_result_t lwres_gabnresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gabnresponse_t **structp); void lwres_gabnresponse_free(lwres_context_t *ctx, lwres_gabnresponse_t **structp); void lwres_gabnrequest_free(lwres_context_t *ctx, lwres_gabnrequest_t **structp); DESCRIPTION These are low-level routines for creating and parsing lightweight resolver name-to-address lookup…

NAME lwres_gabnrequest_render, lwres_gabnresponse_render, lwres_gabnrequest_parse, lwres_gabnresponse_parse, lwres_gabnresponse_free, lwres_gabnrequest_free – lightweight resolver getaddrbyname message handling SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_gabnrequest_render(lwres_context_t *ctx, lwres_gabnrequest_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gabnresponse_render(lwres_context_t *ctx, lwres_gabnresponse_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gabnrequest_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gabnrequest_t **structp); lwres_result_t lwres_gabnresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gabnresponse_t **structp); void lwres_gabnresponse_free(lwres_context_t *ctx, lwres_gabnresponse_t **structp); void lwres_gabnrequest_free(lwres_context_t *ctx, lwres_gabnrequest_t **structp); DESCRIPTION These are low-level routines for creating and parsing lightweight resolver name-to-address lookup…

NAME lwres_gabnrequest_render, lwres_gabnresponse_render, lwres_gabnrequest_parse, lwres_gabnresponse_parse, lwres_gabnresponse_free, lwres_gabnrequest_free – lightweight resolver getaddrbyname message handling SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_gabnrequest_render(lwres_context_t *ctx, lwres_gabnrequest_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gabnresponse_render(lwres_context_t *ctx, lwres_gabnresponse_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gabnrequest_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gabnrequest_t **structp); lwres_result_t lwres_gabnresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gabnresponse_t **structp); void lwres_gabnresponse_free(lwres_context_t *ctx, lwres_gabnresponse_t **structp); void lwres_gabnrequest_free(lwres_context_t *ctx, lwres_gabnrequest_t **structp); DESCRIPTION These are low-level routines for creating and parsing lightweight resolver name-to-address lookup…

NAME lwres_gabnrequest_render, lwres_gabnresponse_render, lwres_gabnrequest_parse, lwres_gabnresponse_parse, lwres_gabnresponse_free, lwres_gabnrequest_free – lightweight resolver getaddrbyname message handling SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_gabnrequest_render(lwres_context_t *ctx, lwres_gabnrequest_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gabnresponse_render(lwres_context_t *ctx, lwres_gabnresponse_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gabnrequest_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gabnrequest_t **structp); lwres_result_t lwres_gabnresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gabnresponse_t **structp); void lwres_gabnresponse_free(lwres_context_t *ctx, lwres_gabnresponse_t **structp); void lwres_gabnrequest_free(lwres_context_t *ctx, lwres_gabnrequest_t **structp); DESCRIPTION These are low-level routines for creating and parsing lightweight resolver name-to-address lookup…

NAME lwres_gabnrequest_render, lwres_gabnresponse_render, lwres_gabnrequest_parse, lwres_gabnresponse_parse, lwres_gabnresponse_free, lwres_gabnrequest_free – lightweight resolver getaddrbyname message handling SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_gabnrequest_render(lwres_context_t *ctx, lwres_gabnrequest_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gabnresponse_render(lwres_context_t *ctx, lwres_gabnresponse_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gabnrequest_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gabnrequest_t **structp); lwres_result_t lwres_gabnresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gabnresponse_t **structp); void lwres_gabnresponse_free(lwres_context_t *ctx, lwres_gabnresponse_t **structp); void lwres_gabnrequest_free(lwres_context_t *ctx, lwres_gabnrequest_t **structp); DESCRIPTION These are low-level routines for creating and parsing lightweight resolver name-to-address lookup…

NAME lwres_gabnrequest_render, lwres_gabnresponse_render, lwres_gabnrequest_parse, lwres_gabnresponse_parse, lwres_gabnresponse_free, lwres_gabnrequest_free – lightweight resolver getaddrbyname message handling SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_gabnrequest_render(lwres_context_t *ctx, lwres_gabnrequest_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gabnresponse_render(lwres_context_t *ctx, lwres_gabnresponse_t *req, lwres_lwpacket_t *pkt, lwres_buffer_t *b); lwres_result_t lwres_gabnrequest_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gabnrequest_t **structp); lwres_result_t lwres_gabnresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b, lwres_lwpacket_t *pkt, lwres_gabnresponse_t **structp); void lwres_gabnresponse_free(lwres_context_t *ctx, lwres_gabnresponse_t **structp); void lwres_gabnrequest_free(lwres_context_t *ctx, lwres_gabnrequest_t **structp); DESCRIPTION These are low-level routines for creating and parsing lightweight resolver name-to-address lookup…

NAME lwres_getipnodebyname, lwres_getipnodebyaddr, lwres_freehostent – lightweight resolver nodename / address translation API SYNOPSIS #include <lwres/netdb.h> struct hostent * lwres_getipnodebyname(const char *name, int af, int flags, int *error_num); struct hostent * lwres_getipnodebyaddr(const void *src, size_t len, int af, int *error_num); void lwres_freehostent(struct hostent *he); DESCRIPTION These functions perform thread safe, protocol independent nodename-to-address and address-to-nodename translation as defined in RFC2553. They use a struct hostent…

NAME lwres_getaddrinfo, lwres_freeaddrinfo – socket address structure to host and service name SYNOPSIS #include <lwres/netdb.h> int lwres_getaddrinfo(const char *hostname, const char *servname, const struct addrinfo *hints, struct addrinfo **res); void lwres_freeaddrinfo(struct addrinfo *ai); If the operating system does not provide a struct addrinfo, the following structure is used: struct addrinfo { int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ int ai_family; /*…

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_context_create, lwres_context_destroy, lwres_context_nextserial, lwres_context_initserial, lwres_context_freemem, lwres_context_allocmem, lwres_context_sendrecv – lightweight resolver context management SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_context_create(lwres_context_t **contextp, void *arg, lwres_malloc_t malloc_function, lwres_free_t free_function); lwres_result_t lwres_context_destroy(lwres_context_t **contextp); void lwres_context_initserial(lwres_context_t *ctx, lwres_uint32_t serial); lwres_uint32_t lwres_context_nextserial(lwres_context_t *ctx); void lwres_context_freemem(lwres_context_t *ctx, void *mem, size_t len); void lwres_context_allocmem(lwres_context_t *ctx, size_t len); void * lwres_context_sendrecv(lwres_context_t *ctx, void *sendbase, int sendlen, void *recvbase, int recvlen, int *recvd_len); DESCRIPTION lwres_context_create() creates a lwres_context_t structure for use in lightweight resolver operations….

NAME lwres_context_create, lwres_context_destroy, lwres_context_nextserial, lwres_context_initserial, lwres_context_freemem, lwres_context_allocmem, lwres_context_sendrecv – lightweight resolver context management SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_context_create(lwres_context_t **contextp, void *arg, lwres_malloc_t malloc_function, lwres_free_t free_function); lwres_result_t lwres_context_destroy(lwres_context_t **contextp); void lwres_context_initserial(lwres_context_t *ctx, lwres_uint32_t serial); lwres_uint32_t lwres_context_nextserial(lwres_context_t *ctx); void lwres_context_freemem(lwres_context_t *ctx, void *mem, size_t len); void lwres_context_allocmem(lwres_context_t *ctx, size_t len); void * lwres_context_sendrecv(lwres_context_t *ctx, void *sendbase, int sendlen, void *recvbase, int recvlen, int *recvd_len); DESCRIPTION lwres_context_create() creates a lwres_context_t structure for use in lightweight resolver operations….

NAME lwres_context_create, lwres_context_destroy, lwres_context_nextserial, lwres_context_initserial, lwres_context_freemem, lwres_context_allocmem, lwres_context_sendrecv – lightweight resolver context management SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_context_create(lwres_context_t **contextp, void *arg, lwres_malloc_t malloc_function, lwres_free_t free_function); lwres_result_t lwres_context_destroy(lwres_context_t **contextp); void lwres_context_initserial(lwres_context_t *ctx, lwres_uint32_t serial); lwres_uint32_t lwres_context_nextserial(lwres_context_t *ctx); void lwres_context_freemem(lwres_context_t *ctx, void *mem, size_t len); void lwres_context_allocmem(lwres_context_t *ctx, size_t len); void * lwres_context_sendrecv(lwres_context_t *ctx, void *sendbase, int sendlen, void *recvbase, int recvlen, int *recvd_len); DESCRIPTION lwres_context_create() creates a lwres_context_t structure for use in lightweight resolver operations….

NAME lwres_context_create, lwres_context_destroy, lwres_context_nextserial, lwres_context_initserial, lwres_context_freemem, lwres_context_allocmem, lwres_context_sendrecv – lightweight resolver context management SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_context_create(lwres_context_t **contextp, void *arg, lwres_malloc_t malloc_function, lwres_free_t free_function); lwres_result_t lwres_context_destroy(lwres_context_t **contextp); void lwres_context_initserial(lwres_context_t *ctx, lwres_uint32_t serial); lwres_uint32_t lwres_context_nextserial(lwres_context_t *ctx); void lwres_context_freemem(lwres_context_t *ctx, void *mem, size_t len); void lwres_context_allocmem(lwres_context_t *ctx, size_t len); void * lwres_context_sendrecv(lwres_context_t *ctx, void *sendbase, int sendlen, void *recvbase, int recvlen, int *recvd_len); DESCRIPTION lwres_context_create() creates a lwres_context_t structure for use in lightweight resolver operations….

NAME lwres_context_create, lwres_context_destroy, lwres_context_nextserial, lwres_context_initserial, lwres_context_freemem, lwres_context_allocmem, lwres_context_sendrecv – lightweight resolver context management SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_context_create(lwres_context_t **contextp, void *arg, lwres_malloc_t malloc_function, lwres_free_t free_function); lwres_result_t lwres_context_destroy(lwres_context_t **contextp); void lwres_context_initserial(lwres_context_t *ctx, lwres_uint32_t serial); lwres_uint32_t lwres_context_nextserial(lwres_context_t *ctx); void lwres_context_freemem(lwres_context_t *ctx, void *mem, size_t len); void lwres_context_allocmem(lwres_context_t *ctx, size_t len); void * lwres_context_sendrecv(lwres_context_t *ctx, void *sendbase, int sendlen, void *recvbase, int recvlen, int *recvd_len); DESCRIPTION lwres_context_create() creates a lwres_context_t structure for use in lightweight resolver operations….

NAME lwres_context_create, lwres_context_destroy, lwres_context_nextserial, lwres_context_initserial, lwres_context_freemem, lwres_context_allocmem, lwres_context_sendrecv – lightweight resolver context management SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_context_create(lwres_context_t **contextp, void *arg, lwres_malloc_t malloc_function, lwres_free_t free_function); lwres_result_t lwres_context_destroy(lwres_context_t **contextp); void lwres_context_initserial(lwres_context_t *ctx, lwres_uint32_t serial); lwres_uint32_t lwres_context_nextserial(lwres_context_t *ctx); void lwres_context_freemem(lwres_context_t *ctx, void *mem, size_t len); void lwres_context_allocmem(lwres_context_t *ctx, size_t len); void * lwres_context_sendrecv(lwres_context_t *ctx, void *sendbase, int sendlen, void *recvbase, int recvlen, int *recvd_len); DESCRIPTION lwres_context_create() creates a lwres_context_t structure for use in lightweight resolver operations….

NAME lwres_context_create, lwres_context_destroy, lwres_context_nextserial, lwres_context_initserial, lwres_context_freemem, lwres_context_allocmem, lwres_context_sendrecv – lightweight resolver context management SYNOPSIS #include <lwres/lwres.h> lwres_result_t lwres_context_create(lwres_context_t **contextp, void *arg, lwres_malloc_t malloc_function, lwres_free_t free_function); lwres_result_t lwres_context_destroy(lwres_context_t **contextp); void lwres_context_initserial(lwres_context_t *ctx, lwres_uint32_t serial); lwres_uint32_t lwres_context_nextserial(lwres_context_t *ctx); void lwres_context_freemem(lwres_context_t *ctx, void *mem, size_t len); void lwres_context_allocmem(lwres_context_t *ctx, size_t len); void * lwres_context_sendrecv(lwres_context_t *ctx, void *sendbase, int sendlen, void *recvbase, int recvlen, int *recvd_len); DESCRIPTION lwres_context_create() creates a lwres_context_t structure for use in lightweight resolver operations….