Linux Manuals session 3

PCRE – Perl-compatible regular expressions Synopsis #include <pcre.h> void pcre_free_substring_list(const char **stringptr); void pcre16_free_substring_list(PCRE_SPTR16 *stringptr); void pcre32_free_substring_list(PCRE_SPTR32 *stringptr); Description This is a convenience function for freeing the store obtained by a previous call to pcre[16|32]_get_substring_list(). Its only argument is a pointer to the list of string pointers. There is a complete description of the PCRE…

PCRE – Perl-compatible regular expressions Synopsis #include <pcre.h> void pcre_free_substring(const char *stringptr); void pcre16_free_substring(PCRE_SPTR16 stringptr); void pcre32_free_substring(PCRE_SPTR32 stringptr); Description This is a convenience function for freeing the store obtained by a previous call to pcre[16|32]_get_substring() or pcre[16|32]_get_named_substring(). Its only argument is a pointer to the string. There is a complete description of the PCRE native…

PCRE – Perl-compatible regular expressions Synopsis #include <pcre.h> void pcre_free_study(pcre_extra *extra); void pcre16_free_study(pcre16_extra *extra); void pcre32_free_study(pcre32_extra *extra); Description This function is used to free the memory used for the data generated by a call to pcre[16|32]_study() when it is no longer needed. The argument must be the result of such a call. There is a…

PCRE – Perl-compatible regular expressions Synopsis #include <pcre.h> int pcre_exec(const pcre *code, const pcre_extra *extra, const char *subject, int length, int startoffset, int options, int *ovector, int ovecsize); int pcre16_exec(const pcre16 *code, const pcre16_extra *extra, PCRE_SPTR16 subject, int length, int startoffset, int options, int *ovector, int ovecsize); int pcre32_exec(const pcre32 *code, const pcre32_extra *extra, PCRE_SPTR32…

PCRE – Perl-compatible regular expressions Synopsis #include <pcre.h> int pcre_dfa_exec(const pcre *code, const pcre_extra *extra, const char *subject, int length, int startoffset, int options, int *ovector, int ovecsize, int *workspace, int wscount); int pcre16_dfa_exec(const pcre16 *code, const pcre16_extra *extra, PCRE_SPTR16 subject, int length, int startoffset, int options, int *ovector, int ovecsize, int *workspace, int wscount);…

PCRE – Perl-compatible regular expressions Synopsis #include <pcre.h> int pcre_copy_substring(const char *subject, int *ovector, int stringcount, int stringnumber, char *buffer, int buffersize); int pcre16_copy_substring(PCRE_SPTR16 subject, int *ovector, int stringcount, int stringnumber, PCRE_UCHAR16 *buffer, int buffersize); int pcre32_copy_substring(PCRE_SPTR32 subject, int *ovector, int stringcount, int stringnumber, PCRE_UCHAR32 *buffer, int buffersize); Description This is a convenience function for…

PCRE – Perl-compatible regular expressions Synopsis #include <pcre.h> int pcre_copy_named_substring(const pcre *code, const char *subject, int *ovector, int stringcount, const char *stringname, char *buffer, int buffersize); int pcre16_copy_named_substring(const pcre16 *code, PCRE_SPTR16 subject, int *ovector, int stringcount, PCRE_SPTR16 stringname, PCRE_UCHAR16 *buffer, int buffersize); int pcre32_copy_named_substring(const pcre32 *code, PCRE_SPTR32 subject, int *ovector, int stringcount, PCRE_SPTR32 stringname, PCRE_UCHAR32…

PCRE – Perl-compatible regular expressions Synopsis #include <pcre.h> int pcre_config(int what, void *where); int pcre16_config(int what, void *where); int pcre32_config(int what, void *where); Description This function makes it possible for a client program to find out which optional features are available in the version of the PCRE library it is using. The arguments are as…

PCRE – Perl-compatible regular expressions Synopsis #include <pcre.h> pcre *pcre_compile2(const char *pattern, int options, int *errorcodeptr, const char **errptr, int *erroffset, const unsigned char *tableptr); pcre16 *pcre16_compile2(PCRE_SPTR16 pattern, int options, int *errorcodeptr, const char **errptr, int *erroffset, const unsigned char *tableptr); pcre32 *pcre32_compile2(PCRE_SPTR32 pattern, int options, int *errorcodeptr,£ const char **errptr, int *erroffset, const unsigned…

PCRE – Perl-compatible regular expressions Synopsis #include <pcre.h> pcre *pcre_compile(const char *pattern, int options, const char **errptr, int *erroffset, const unsigned char *tableptr); pcre16 *pcre16_compile(PCRE_SPTR16 pattern, int options, const char **errptr, int *erroffset, const unsigned char *tableptr); pcre32 *pcre32_compile(PCRE_SPTR32 pattern, int options, const char **errptr, int *erroffset, const unsigned char *tableptr); Description This function compiles…

PCRE – Perl-compatible regular expressions Synopsis #include <pcre.h> void pcre_assign_jit_stack(pcre_extra *extra, pcre_jit_callback callback, void *data); void pcre16_assign_jit_stack(pcre16_extra *extra, pcre16_jit_callback callback, void *data); void pcre32_assign_jit_stack(pcre32_extra *extra, pcre32_jit_callback callback, void *data); Description This function provides control over the memory used as a stack at run-time by a call to pcre[16|32]_exec() with a pattern that has been successfully…

PCRE – Perl-compatible regular expressions #include < pcre.h> Pcre 16-Bit Api Basic Functions pcre16 *pcre16_compile(PCRE_SPTR16 pattern, int options, const char **errptr, int *erroffset, const unsigned char *tableptr); pcre16 *pcre16_compile2(PCRE_SPTR16 pattern, int options, int *errorcodeptr, const char **errptr, int *erroffset, const unsigned char *tableptr); pcre16_extra *pcre16_study(const pcre16 *code, int options, const char **errptr); void pcre16_free_study(pcre16_extra *extra);…

PCRE – Perl-compatible regular expressions (original API) Please Take Note This document relates to PCRE releases that use the original API, with library names libpcre, libpcre16, and libpcre32. January 2015 saw the first release of a new API, known as PCRE2, with release numbers starting at 10.00 and library names libpcre2-8, libpcre2-16, and libpcre2-32. The…

popen, pclose – pipe stream to or from a process Synopsis #include <stdio.h> FILE *popen(const char *command, const char *type); int pclose(FILE *stream); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): popen(), pclose(): _POSIX_C_SOURCE >= 2     || /* Glibc versions <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE Description The popen() function opens a process by creating a pipe, forking, and invoking the shell. Since a…

co_thread_init, co_thread_cleanup, co_create, co_call, co_resume, co_delete, co_exit_to, co_exit, co_current, co_get_data, co_set_data – C coroutine management Synopsis #include <pcl.h> int co_thread_init(void); void co_thread_cleanup(void); coroutine_t co_create(void *func, void *data, void *stack, int stacksize); void co_delete(coroutine_t co); void co_call(coroutine_t co); void co_resume(void); void co_exit_to(coroutine_t co); void co_exit(void); coroutine_t co_current(void); void *co_get_data(coroutine_t co); void *co_set_data(coroutine_t co, void *data); Link…

pbs_terminate – terminate a pbs batch server Synopsis #include <pbs_error.h> #include <pbs_ifl.h> int pbs_terminate(int connect, int manner, char *extend) Description Issue a batch request to shut down a batch server. This request requires the privilege level usually reserved for batch operators and administrators. A Server Shutdown batch request is generated and sent to the server over…

pbs_submit – submit a pbs batch job Synopsis #include <pbs_error.h> #include <pbs_ifl.h> char *pbs_submit(int connect, struct attropl *attrib, char *script, char *destination, char *extend) Description Issue a batch request to submit a new batch job. A Queue Job batch request is generated and sent to the server over the connection specified by which is the return value of pbs_connect()….

pbs_statserver – obtain status of a pbs batch server Synopsis #include <pbs_error.h> #include <pbs_ifl.h> struct batch_status *pbs_statserver(int/ connect, struct/ attrl/ *attrib, char/ *extend) void pbs_statfree(struct batch_status *psj) Description Issue a batch request to obtain the status of a batch server. A Status Server batch request is generated and sent to the server over the connection…

pbs_statque – obtain status of pbs batch queues Synopsis #include <pbs_error.h> #include <pbs_ifl.h> struct batch_status *pbs_statque(int connect, char *id, struct attrl *attrib, char *extend) void pbs_statfree(struct batch_status *psj) Description Issue a batch request to obtain the status of a batch queue. A Status Queue batch request is generated and sent to the server over the connection specified by…

pbs_statnode – obtain status of pbs nodes Synopsis #include <pbs_error.h> #include <pbs_ifl.h> struct batch_status *pbs_statnode(int connect, char *id, struct attrl *attrib, char *extend) void pbs_statfree(struct batch_status *psj) Description Issue a batch request to obtain the status of a PBS node or nodes. A Status Node batch request is generated and sent to the server over the connection specified…