flowtop, netsniff-ng: Move process name extraction to own function

flowtop and the netsniff-ng's netlink message dissector both need to get
the process name for a pid from /proc/<pid>/exe, thus move that
functionality to an own function.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 3 insertions, 0 deletions

diff --git a/proc.h b/proc.h
index 0a31f36..996ce06 100644
--- a/proc.h
+++ b/proc.h
@@ -1,8 +1,11 @@
 #ifndef PROC_H
 #define PROC_H
 
+#include <stdlib.h>
+
 extern void cpu_affinity(int cpu);
 extern int set_proc_prio(int prio);
 extern int set_sched_status(int policy, int priority);
+extern ssize_t proc_get_cmdline(unsigned int pid, char *cmdline, size_t len);
 
 #endif /* PROC_H */