POSIX regex functions NAME regcomp, regexec, regerror, regfree - POSIX regex functions LIBRARY Standard C library ( libc , -...POSIX regex functions NAME regcomp, regexec, regerror, regfree - POSIX regex functions LIBRARY Standard C library ( libc , -...POSIX regex functions NAME regcomp, regexec, regerror, regfree - POSIX regex functions LIBRARY Standard C library ( libc , -...POSIX regex functions NAME regcomp, regexec, regerror, regfree - POSIX regex functions LIBRARY Standard C library ( libc , -...POSIX regex functions NAME regcomp, regexec, regerror, regfree - POSIX regex functions LIBRARY Standard C library ( libc , -...POSIX regex functions NAME regcomp, regexec, regerror, regfree - POSIX regex functions LIBRARY Standard C library ( libc , -...POSIX regex functions NAME regcomp, regexec, regerror, regfree - POSIX regex functions LIBRARY Standard C library ( libc , -...POSIX regex functions NAME regcomp, regexec, regerror, regfree - POSIX regex functions LIBRARY Standard C library ( libc , -......STANDARDS None. HISTORY 4.3BSD. These functions are obsolete; the functions documented in regcomp (3) should be used instead. SEE ALSO regcomp (3), regex (7), GNU regex manual...STANDARDS None. HISTORY 4.3BSD. These functions are obsolete; the functions documented in regcomp (3) should be used instead. SEE ALSO regcomp (3), regex (7), GNU regex manual...only test if the return value is nonzero. rpmatch () can fail for any of the reasons that regcomp (3) or regexec (3) can fail; the cause of the error is not available from errno…...- _SC_RE_DUP_MAX The number of repeated occurrences of a BRE permitted by regexec (3) and regcomp (3). Must not be less than _POSIX2_RE_DUP_MAX (255). STREAM_MAX - _SC_STREAM_MA…...1), then POSIX regular expressions are supported and the following functions are present: regcomp () regerror () regexec () regfree () --- - _POSIX_SAVED_IDS - _SC_SAVED_IDS If …...s considered a POSIX extended regular expression and matched accordingly (using the POSIX regcomp and regexec interfaces usually described in regex (3)). The return value is 0 i…