perf tools: Remove needless 'extern' from function prototypes
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-w246stf7ponfamclsai6b9zo@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h
index 3ca453f..17be385 100644
--- a/tools/perf/util/cache.h
+++ b/tools/perf/util/cache.h
@@ -26,14 +26,14 @@
extern const char *config_exclusive_filename;
typedef int (*config_fn_t)(const char *, const char *, void *);
-extern int perf_default_config(const char *, const char *, void *);
-extern int perf_config(config_fn_t fn, void *);
-extern int perf_config_int(const char *, const char *);
-extern u64 perf_config_u64(const char *, const char *);
-extern int perf_config_bool(const char *, const char *);
-extern int config_error_nonbool(const char *);
-extern const char *perf_config_dirname(const char *, const char *);
-extern const char *perf_etc_perfconfig(void);
+int perf_default_config(const char *, const char *, void *);
+int perf_config(config_fn_t fn, void *);
+int perf_config_int(const char *, const char *);
+u64 perf_config_u64(const char *, const char *);
+int perf_config_bool(const char *, const char *);
+int config_error_nonbool(const char *);
+const char *perf_config_dirname(const char *, const char *);
+const char *perf_etc_perfconfig(void);
char *alias_lookup(const char *alias);
int split_cmdline(char *cmdline, const char ***argv);
@@ -67,10 +67,10 @@
const char *make_nonrelative_path(const char *path);
char *strip_path_suffix(const char *path, const char *suffix);
-extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
-extern char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
+char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
+char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
-extern char *perf_pathdup(const char *fmt, ...)
+char *perf_pathdup(const char *fmt, ...)
__attribute__((format (printf, 1, 2)));
#endif /* __PERF_CACHE_H */