5 Gcompile (char const *pattern, size_t size)
7 GEAcompile (pattern, size, RE_SYNTAX_GREP | RE_NO_EMPTY_RANGES);
11 Ecompile (char const *pattern, size_t size)
13 GEAcompile (pattern, size, RE_SYNTAX_POSIX_EGREP | RE_NO_EMPTY_RANGES);
17 Acompile (char const *pattern, size_t size)
19 GEAcompile (pattern, size, RE_SYNTAX_AWK);
22 struct matcher const matchers[] = {
23 { "grep", Gcompile, EGexecute },
24 { "egrep", Ecompile, EGexecute },
25 { "awk", Acompile, EGexecute },
26 { "fgrep", Fcompile, Fexecute },
27 { "perl", Pcompile, Pexecute },
31 const char before_options[] =
32 N_("PATTERN is, by default, a basic regular expression (BRE).\n");
33 const char after_options[] =
34 N_("`egrep' means `grep -E'. `fgrep' means `grep -F'.\n\
35 Direct invocation as either `egrep' or `fgrep' is deprecated.\n");