--- memgrep-0.8.0.orig/src/memgrep.c	2003-12-30 00:08:09.000000000 -0600
+++ memgrep-0.8.0/src/memgrep.c	2006-12-07 10:51:34.000000000 -0600
@@ -89,10 +89,9 @@
 	int myPtrace(MEM_CTX *ctx, int command, int pid, unsigned long addr, unsigned long data);
 #else
 	#include <linux/user.h>
+        #include <sys/ptrace.h>
 	
 	#define PTRACE_ADDR_CAST void *
-
-	extern long int ptrace (unsigned long int cmd, unsigned long int pid, void *param, unsigned long int data);
 #endif
 
 const char memgrepVersion[] = "v0.8.0 12/21/2003";