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RedHat 9 (Linux i386) - man page for re_exec (redhat section 3)

re_comp(3)						 GNU						   re_comp(3)

NAME
re_comp, re_exec - BSD regex functions
SYNOPSIS
#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 com- piled 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.
CONFORMING TO
BSD 4.3
SEE ALSO
regex(7), GNU regex manual Linux 1995-07-14 re_comp(3)


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