g, gf, gh – grep source|
g re [ grep flags ] [ dir ] ...|
gf re [ grep flags ] [ dir ] ...
gh re [ grep flags ] [ dir ] ...
These commands invoke grep with –n and force tagging of output
lines by file name. Gf modifies the regular expression given to
only match C functions declared as in style(6). Files matching
the pattern $filepat are searched. The default pattern is \.[Cbchlmsy]$
for g and gf while the default pattern is
\.[h]$ for gh.
As with all convienent magic, casting runes can have unexpected