Manpage of RE_COMP
RE_COMPSection: Linux Programmer's Manual (3)
NAMEre_comp, re_exec - BSD regex functions
char *re_comp(const char *regex);
DESCRIPTIONre_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 regexis NULL, no operation is performed and the pattern buffer's are not altered.
RETURN VALUEre_comp() returns NULL on successful compilation of regexotherwise it returns a pointer to an appropriate error message.
ATTRIBUTESFor an explanation of the terms used in this section, see attributes(7).
|re_comp(), re_exec()||Thread safety||MT-Unsafe|
NOTESThese functions are obsolete; the functions documented in regcomp(3) should be used instead.
SEE ALSOregcomp(3), regex(7), GNU regex manual
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