Section 3: library functions
ipsec_initsubnet, ipsec_addrtosubnet, ipsec_subnettypeof, ipsec_masktocount, ipsec_networkof, ipsec_maskof – initialize an ip_subnet, initialize a singleton ip_subnet, get address type of an ip_subnet, convert subnet mask to bit count, get base address of an ip_subnet, get subnet mask of an ip_subnet Synopsis#include <libreswan.h> const char *initsubnet(const ip_address *addr, int maskbits, int clash, ip_subnet *dst); const char *addrtosubnet(const…
ipsec_initaddr, ipsec_addrtypeof, ipsec_addrlenof, ipsec_addrbytesof, ipsec_addrbytesptr – initialize an ip_address, get address type of an ip_address, get length of address within an ip_address, get copy of address within an ip_address, get pointer to address within an ip_address Synopsis#include <libreswan.h> const char *initaddr(const char *src, size_t srclen, int af, ip_address *dst); int addrtypeof(const ip_address *src); size_t…
ipsec_goodmask, ipsec_masktobits, ipsec_bitstomask – check if Internet subnet mask is valid, convert Internet subnet mask to bit count, convert bit count to Internet subnet mask Synopsis#include <libreswan.h> int goodmask(struct in_addr mask); int masktobits(struct in_addr mask); struct in_addr bitstomask(int n); DescriptionThese functions are obsolete; see ipsec_masktocount(3) for a partial replacement. Goodmask reports whether the subnet mask…
ipsec_atoul, ipsec_ultoa – convert unsigned-long numbers to and from ASCII Synopsis#include <libreswan.h> const char *atoul(const char * src, size_t srclen, int base, unsigned long * n); size_t ultoa(unsigned long n, int base, char * dst, size_t dstlen);DescriptionThese functions are obsolete; see ipsec_ttoul(3) for their replacements. Atoul converts an ASCII number into a binary unsigned long value. Ultoa does the reverse conversion, back to an ASCII version….
ipsec_atoasr, ipsec_rangetoa – convert ASCII to Internet address, subnet, or range, convert Internet address range to ASCII Synopsis#include <libreswan.h> const char *atoasr(const char *src, size_t srclen, char *type, struct in_addr *addrs); size_t rangetoa(struct in_addr *addrs, int format, char *dst, size_t dstlen); DescriptionThese functions are obsolete; there is no current equivalent, because so far…
ipsec_atoaddr, ipsec_addrtoa, ipsec_atosubnet, ipsec_subnettoa – convert Internet addresses and Subnet masks to and from ASCII Synopsis#include <libreswan.h> const char *atoaddr(const char *src, size_t srclen, struct in_addr *addr); size_t addrtoa(struct in_addr addr, int format, char *dst, size_t dstlen); const char *atosubnet(const char *src, size_t srclen, struct in_addr *addr, struct in_addr *mask); size_t subnettoa(struct…
ipsec_anyaddr, ipsec_isanyaddr, ipsec_unspecaddr, ipsec_isunspecaddr, ipsec_loopbackaddr, ipsec_isloopbackaddr – get and test for addresses of type "any", "unspecified" and loopback get "any" address Synopsis#include <libreswan.h> const char *anyaddr(int af, ip_address *dst); int isanyaddr(const ip_address *src); const char *unspecaddr(int af, ip_address *dst); int isunspecaddr(const ip_address *src); const char *loopbackaddr(int af, ip_address *dst); int isloopbackaddr(const ip_address *src); DescriptionThese functions…
ipq_set_verdict — issue verdict and optionally modified packet to kernel Synopsis#include <linux/netfilter.h> #include <libipq.h> int ipq_set_verdict(const struct ipq_handle *h, ipq_id_t id, unsigned int verdict, size_t data_len, unsigned char *buf); DescriptionThe ipq_set_verdict function issues a verdict on a packet previously obtained with ipq_read, specifing the intended disposition of the packet, and optionally supplying a modified version…
ipq_set_mode — set the ip_queue queuing mode Synopsis#include <linux/netfilter.h> #include <libipq.h> int ipq_set_mode(const struct ipq_handle *h, u_int8_t mode, size_t range); DescriptionThe ipq_set_mode function sends a message to the kernel ip_queue module, specifying whether packet metadata only, or packet payloads as well as metadata should be copied to userspace. The h parameter is a context handle…
ipq_read — read queue messages from ip_queue and read into supplied buffer Synopsis#include <linux/netfilter.h> #include <libipq.h> ssize_t ipq_read(const struct ipq_handle *h, unsigned char *buf, size_t len, int timeout); DescriptionThe ipq_read function reads a queue message from the kernel and copies it to the memory pointed to by buf to a maximum length of len. The…
ipq_errstr, ipq_perror — libipq error handling routines Synopsis#include <linux/netfilter.h> #include <libipq.h> char *ipq_errstr(void); void ipq_perror(const char *s); DescriptionThe ipq_errstr function returns a descriptive error message based on the current value of the internal ipq_errno variable. All libipq API functions set this internal variable upon failure. The ipq_perror function prints an error message to stderr corresponding…
ipq_message_type, ipq_get_packet, ipq_getmsgerr — query queue messages Synopsis#include <linux/netfilter.h> #include <libipq.h> int ipq_message_type(const unsigned char *buf); ipq_packet_msg_t *ipq_get_packet(const unsigned char *buf); int ipq_get_msgerr(const unsigned char *buf); DescriptionThe ipq_message_type function returns the type of queue message returned to userspace via ipq_read. ipq_message_type should always be called following a successful call to ipq_read to determine whether the…
ipq_message_type, ipq_get_packet, ipq_getmsgerr — query queue messages Synopsis#include <linux/netfilter.h> #include <libipq.h> int ipq_message_type(const unsigned char *buf); ipq_packet_msg_t *ipq_get_packet(const unsigned char *buf); int ipq_get_msgerr(const unsigned char *buf); DescriptionThe ipq_message_type function returns the type of queue message returned to userspace via ipq_read. ipq_message_type should always be called following a successful call to ipq_read to determine whether the…
ipq_message_type, ipq_get_packet, ipq_getmsgerr — query queue messages Synopsis#include <linux/netfilter.h> #include <libipq.h> int ipq_message_type(const unsigned char *buf); ipq_packet_msg_t *ipq_get_packet(const unsigned char *buf); int ipq_get_msgerr(const unsigned char *buf); DescriptionThe ipq_message_type function returns the type of queue message returned to userspace via ipq_read. ipq_message_type should always be called following a successful call to ipq_read to determine whether the…
ipq_errstr, ipq_perror — libipq error handling routines Synopsis#include <linux/netfilter.h> #include <libipq.h> char *ipq_errstr(void); void ipq_perror(const char *s); DescriptionThe ipq_errstr function returns a descriptive error message based on the current value of the internal ipq_errno variable. All libipq API functions set this internal variable upon failure. The ipq_perror function prints an error message to stderr corresponding…
ipq_create_handle, ipq_destroy_handle — create and destroy libipq handles. Synopsis#include <linux/netfilter.h> #include <libipq.h> struct ipq_handle *ipq_create_handle(u_int32_t flags, u_int32_t protocol); int ipq_destroy_handle(struct ipq_handle *h); DescriptionThe ipq_create_handle function initialises libipq for an application, attempts to bind to the Netlink socket used by ip_queue, and returns an opaque context handle. It should be the first libipq function to be…
ipq_create_handle, ipq_destroy_handle — create and destroy libipq handles. Synopsis#include <linux/netfilter.h> #include <libipq.h> struct ipq_handle *ipq_create_handle(u_int32_t flags, u_int32_t protocol); int ipq_destroy_handle(struct ipq_handle *h); DescriptionThe ipq_create_handle function initialises libipq for an application, attempts to bind to the Netlink socket used by ip_queue, and returns an opaque context handle. It should be the first libipq function to be…
iparmq.f – SynopsisFunctions/SubroutinesINTEGER function iparmq (ISPEC, NAME, OPTS, N, ILO, IHI, LWORK) IPARMQ Function/Subroutine DocumentationINTEGER function iparmq (integerISPEC, character, dimension( * )NAME, character, dimension( * )OPTS, integerN, integerILO, integerIHI, integerLWORK)IPARMQ Purpose: This program sets problem and machine dependent parameters useful for xHSEQR and its subroutines. It is called whenever ILAENV is called with 12 <=…
io.h – C wrapper for I/O interfaces. Synopsis#include ‘dmlite.h’ #include ‘any.h’ #include ‘pool.h’ #include <sys/uio.h> #include <unistd.h> Macros#define O_INSECURE 010 Typedefstypedef struct dmlite_fd dmlite_fd Functionsdmlite_fd * dmlite_fopen (dmlite_context *context, const char *path, int flags, const dmlite_any_dict *extra,…) Opens a file. int dmlite_fclose (dmlite_fd *fd) Closes a file. int dmlite_fstat (dmlite_fd *fd, struct stat *buf) Gets…
QuantLib::OneFactorCopula – Abstract base class for one-factor copula models. Synopsis#include <ql/experimental/credit/onefactorcopula.hpp> Inherits QuantLib::LazyObject. Inherited by OneFactorGaussianCopula, OneFactorGaussianStudentCopula, OneFactorStudentCopula, and OneFactorStudentGaussianCopula. Public Member FunctionsOneFactorCopula (const Handle< Quote > &correlation, Real maximum=5, Size integrationSteps=50) virtual Real density (Real m) const =0 Density function of M. virtual Real cumulativeZ (Real z) const =0 Cumulative distribution of Z. virtual…