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    Command:

    re_exec

    
    
    

    SYNOPSIS

           #define _REGEX_RE_COMP
           #include <sys/types.h>
           #include <regex.h>
    
           char *re_comp(char *regex);
    
           int re_exec(char *string);
    
    
    

    DESCRIPTION

           re_comp()  is  used  to  compile the null-terminated regular expression
           pointed to by regex.  The compiled pattern occupies a static area,  the
           pattern  buffer,  which  is overwritten by subsequent use of re_comp().
           If regex is NULL, no operation is performed and  the  pattern  buffer's
           contents are not altered.
    
           re_exec()  is used to assess whether the null-terminated string pointed
           to by string matches the previously compiled regex.
    
    
    

    RETURN VALUE

           re_comp() returns NULL on successful compilation of regex otherwise  it
           returns a pointer to an appropriate error message.
    
           re_exec() returns 1 for a successful match, zero for failure.
    
    
    

    ATTRIBUTES

       Multithreading (see pthreads(7))
           The re_comp() and re_exec() functions are not thread-safe.
    
    
    

    CONFORMING TO

           4.3BSD.
    
    
    

    NOTES

           These  functions  are  obsolete; the functions documented in regcomp(3)
           should be used instead.
    
    
    

    SEE ALSO

           regcomp(3), regex(7), GNU regex manual
    
    
    

    GNU 2013-06-21 RE_COMP(3)

    
    
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