diff --git a/strace/Makefile b/strace/Makefile
index 57f53f08..0bc06537 100644
--- a/strace/Makefile
+++ b/strace/Makefile
@@ -12,7 +12,7 @@
 
 SHELL		:=	bash
 
-NAME		=	ft_ping
+NAME		=	ft_strace
 
 CC			=	gcc
 W_FLAGS		=	-Wall -Wextra -Werror
@@ -31,7 +31,7 @@ INC_DIR		=	includes/
 OBJ_DIR		=	objs/
 
 SRC_BASE	=	\
-ping.c\
+strace.c\
 
 SRCS		=	$(addprefix $(SRC_DIR), $(SRC_BASE))
 OBJS		=	$(addprefix $(OBJ_DIR), $(SRC_BASE:.c=.o))
@@ -42,12 +42,11 @@ all :
 	@make -C $(LIBFT_DIR)
 	@make -j $(NAME)
 
-$(NAME):	$(LIBFT_LIB) $(OBJ_DIR) $(OBJS) $(CLIENT_OBJ)
+$(NAME):	$(LIBFT_LIB) $(OBJ_DIR) $(OBJS)
 	@$(CC) $(OBJS) -o $@ \
 		-I $(INC_DIR) \
 		-I $(LIBFT_INC) \
-		$(LIBFT_LIB) $(CLIENT_OBJ) $(FLAGS) \
-		-lm
+		$(LIBFT_LIB) $(FLAGS)
 	@printf "\r\033[38;5;117m✓ MAKE $@ \033[0m\033[K\n"
 
 $(LIBFT_LIB):
diff --git a/strace/includes/ping.h b/strace/includes/ping.h
deleted file mode 100644
index 62399797..00000000
--- a/strace/includes/ping.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/* ************************************************************************** */
-/*                                                                            */
-/*                                                        :::      ::::::::   */
-/*   ft_ping.h                                          :+:      :+:    :+:   */
-/*                                                    +:+ +:+         +:+     */
-/*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
-/*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2017/04/22 14:10:24 by jhalford          #+#    #+#             */
-/*   Updated: 2017/04/22 15:52:07 by jhalford         ###   ########.fr       */
-/*                                                                            */
-/* ************************************************************************** */
-
-#ifndef FT_PING_H
-# define FT_PING_H
-
-# include "libft.h"
-# include <fcntl.h>
-# include <errno.h>
-# include <sys/socket.h>
-# include <sys/time.h>
-# include <resolv.h>
-# include <netdb.h>
-# include <netinet/in.h>
-# include <netinet/ip.h>
-# include <netinet/ip_icmp.h>
-# include <sys/wait.h>
-
-#define PACKETSIZE	64
-
-struct s_packet
-{
-	struct icmp hdr;
-	char msg[PACKETSIZE - sizeof(struct icmp)];
-};
-
-#endif
diff --git a/strace/includes/strace.h b/strace/includes/strace.h
new file mode 100644
index 00000000..09331ee0
--- /dev/null
+++ b/strace/includes/strace.h
@@ -0,0 +1,367 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_ping.h                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2017/04/22 14:10:24 by jhalford          #+#    #+#             */
+/*   Updated: 2017/04/22 15:52:07 by jhalford         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef FT_STRACE_H
+# define FT_STRACE_H
+
+# include "libft.h"
+# include <sys/ptrace.h>
+# include <sys/user.h>
+# include <sys/wait.h>
+
+enum	e_param {
+	PARAM_NUMBER = 1,
+	PARAM_STRING,
+	PARAM_ADDR,
+};
+
+struct	s_syscall {
+	char			name[40];
+	enum e_param	params[7];
+};
+
+typedef struct s_syscall	t_syscall;
+
+t_syscall	g_syscalls[] = {
+	{"read", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"write", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"open", {PARAM_STRING, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"close", {PARAM_NUMBER, 0}},
+
+	{"stat", {PARAM_STRING, PARAM_ADDR, 0}},
+	{"fstat", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"lstat", {PARAM_STRING, PARAM_ADDR, 0}},
+	{"poll", {PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"lseek", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"mmap", {PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"mprotect", {PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"munmap", {PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"brk", {PARAM_ADDR, 0}},
+	{"rt_sigaction", {PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"rt_sigprocmask", {PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"rt_sigreturn", {PARAM_NUMBER, 0}},
+	{"ioctl", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"pread64", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"pwrite64", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"readv", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"writev", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"access", {PARAM_STRING, PARAM_NUMBER, 0}},
+	{"pipe", {PARAM_ADDR, 0}},
+	{"select", {PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"sched_yield", {0}},
+	{"mremap", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"msync", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"mincore", {PARAM_NUMBER, PARAM_NUMBER, PARAM_STRING, 0}},
+	{"madvise", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"shmget", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"shmat", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"shmctl", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"dup", {PARAM_NUMBER, 0}},
+	{"dup2", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"pause", {0}},
+	{"nanosleep", {PARAM_ADDR, PARAM_ADDR, 0}},
+	{"getitimer", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"alarm", {PARAM_NUMBER, 0}},
+	{"setitimer", {PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"getpid", {0}},
+	{"sendfile", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"socket", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"connect", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"accept", {PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"sendto", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"recvfrom", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"sendmsg", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"recvmsg", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"shutdown", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"bind", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"listen", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"getsockname", {PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"getpeername", {PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"socketpair", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"setsockopt", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"getsockopt", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_STRING, PARAM_ADDR, 0}},
+	{"clone", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"fork", {0}},
+	{"vfork", {0}},
+	{"execve", {PARAM_STRING, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"exit", {PARAM_NUMBER, 0}},
+	{"wait4", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"kill", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"uname", {PARAM_ADDR, 0}},
+	{"semget", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"semop", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"semctl", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"shmdt", {PARAM_STRING, 0}},
+	{"msgget", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"msgsnd", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"msgrcv", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"msgctl", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"fcntl", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"flock", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"fsync", {PARAM_NUMBER, 0}},
+	{"fdatasync", {PARAM_NUMBER, 0}},
+	{"truncate", {PARAM_STRING, PARAM_NUMBER, 0}},
+	{"ftruncate", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"getdents", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"getcwd", {PARAM_STRING, PARAM_NUMBER, 0}},
+	{"chdir", {PARAM_STRING, 0}},
+	{"fchdir", {PARAM_NUMBER, 0}},
+	{"rename", {PARAM_STRING, PARAM_STRING, 0}},
+	{"mkdir", {PARAM_STRING, PARAM_NUMBER, 0}},
+	{"rmdir", {PARAM_STRING, 0}},
+	{"creat", {PARAM_STRING, PARAM_NUMBER, 0}},
+	{"link", {PARAM_STRING, PARAM_STRING, 0}},
+	{"unlink", {PARAM_STRING, 0}},
+	{"symlink", {PARAM_STRING, PARAM_STRING, 0}},
+	{"readlink", {PARAM_STRING, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"chmod", {PARAM_STRING, PARAM_NUMBER, 0}},
+	{"fchmod", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"chown", {PARAM_STRING, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"fchown", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"lchown", {PARAM_STRING, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"umask", {PARAM_NUMBER, 0}},
+	{"gettimeofday", {PARAM_ADDR, PARAM_ADDR, 0}},
+	{"getrlimit", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"getrusage", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"sysinfo", {PARAM_ADDR, 0}},
+	{"times", {PARAM_ADDR, 0}},
+	{"ptrace", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"getuid", {0}},
+	{"syslog", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"getgid", {0}},
+	{"setuid", {PARAM_NUMBER, 0}},
+	{"setgid", {PARAM_NUMBER, 0}},
+	{"geteuid", {0}},
+	{"getegid", {0}},
+	{"setpgid", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"getppid", {0}},
+	{"getpgrp", {0}},
+	{"setsid", {0}},
+	{"setreuid", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"setregid", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"getgroups", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"setgroups", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"setresuid", {PARAM_ADDR, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"getresuid", {PARAM_ADDR, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"setresgid", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"getresgid", {PARAM_ADDR, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"getpgid", {PARAM_NUMBER, 0}},
+	{"setfsuid", {PARAM_NUMBER, 0}},
+	{"setfsgid", {PARAM_NUMBER, 0}},
+	{"getsid", {PARAM_NUMBER, 0}},
+	{"capget", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"capset", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"rt_sigpending", {PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"rt_sigtimedwait", {PARAM_ADDR, PARAM_ADDR, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"rt_sigqueueinfo", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"rt_sigsuspend", {PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"sigaltstack", {PARAM_ADDR, PARAM_ADDR, 0}},
+	{"utime", {PARAM_STRING, PARAM_ADDR, 0}},
+	{"mknod", {PARAM_STRING, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"uselib", {PARAM_NUMBER, 0}},
+	{"personality", {PARAM_NUMBER, 0}},
+	{"ustat", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"statfs", {PARAM_STRING, PARAM_ADDR, 0}},
+	{"fstatfs", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"sysfs", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"getpriority", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"setpriority", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"sched_setparam", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"sched_getparam", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"sched_setscheduler", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"sched_getscheduler", {PARAM_NUMBER, 0}},
+	{"sched_get_priority_max", {PARAM_NUMBER, 0}},
+	{"sched_get_priority_min", {PARAM_NUMBER, 0}},
+	{"sched_rr_get_interval", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"mlock", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"munlock", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"mlockall", {PARAM_NUMBER, 0}},
+	{"munlockall", {0}},
+	{"vhangup", {0}},
+	{"modify_ldt", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"pivot_root", {PARAM_STRING, PARAM_STRING, 0}},
+	{"_sysctl", {PARAM_ADDR, 0}},
+	{"prctl", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"arch_prctl", {PARAM_ADDR, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"adjtimex", {PARAM_ADDR, 0}},
+	{"setrlimit", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"chroot", {PARAM_STRING, 0}},
+	{"sync", {0}},
+	{"acct", {PARAM_STRING, 0}},
+	{"settimeofday", {PARAM_ADDR, PARAM_ADDR, 0}},
+	{"mount", {PARAM_STRING, PARAM_STRING, PARAM_STRING, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"umount2", {PARAM_STRING, PARAM_NUMBER, 0}},
+	{"swapon", {PARAM_STRING, PARAM_NUMBER, 0}},
+	{"swapoff", {PARAM_STRING, 0}},
+	{"reboot", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"sethostname", {PARAM_STRING, PARAM_NUMBER, 0}},
+	{"setdomainname", {PARAM_STRING, PARAM_NUMBER, 0}},
+	{"iopl", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"ioperm", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"create_module", {PARAM_NUMBER, 0}},
+	{"init_module", {PARAM_ADDR, PARAM_NUMBER, PARAM_STRING, 0}},
+	{"delete_module", {PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"get_kernel_syms", {PARAM_NUMBER, 0}},
+	{"query_module", {PARAM_NUMBER, 0}},
+	{"quotactl", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"nfsservctl", {PARAM_NUMBER, 0}},
+	{"getpmsg", {PARAM_NUMBER, 0}},
+	{"putpmsg", {PARAM_NUMBER, 0}},
+	{"afs_syscall", {PARAM_NUMBER, 0}},
+	{"tuxcall", {PARAM_NUMBER, 0}},
+	{"security", {PARAM_NUMBER, 0}},
+	{"gettid", {0}},
+	{"readahead", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"setxattr", {PARAM_STRING, PARAM_STRING, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"lsetxattr", {PARAM_STRING, PARAM_STRING, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"fsetxattr", {PARAM_NUMBER, PARAM_STRING, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"getxattr", {PARAM_STRING, PARAM_STRING, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"lgetxattr", {PARAM_STRING, PARAM_STRING, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"fgetxattr", {PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"listxattr", {PARAM_STRING, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"llistxattr", {PARAM_STRING, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"flistxattr", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"removexattr", {PARAM_STRING, PARAM_STRING, 0}},
+	{"lremovexattr", {PARAM_STRING, PARAM_STRING, 0}},
+	{"fremovexattr", {PARAM_NUMBER, PARAM_STRING, 0}},
+	{"tkill", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"time", {PARAM_ADDR, 0}},
+	{"futex", {PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"sched_setaffinity", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"sched_getaffinity", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"set_thread_area", {PARAM_NUMBER, 0}},
+	{"io_setup", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"io_destroy", {PARAM_NUMBER, 0}},
+	{"io_getevents", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"io_submit", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"io_cancel", {PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"get_thread_area", {PARAM_NUMBER, 0}},
+	{"lookup_dcookie", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"epoll_create", {PARAM_NUMBER, 0}},
+	{"epoll_ctl_old", {PARAM_NUMBER, 0}},
+	{"epoll_wait_old", {PARAM_NUMBER, 0}},
+	{"remap_file_pages", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"getdents64", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"set_tid_address", {PARAM_ADDR, 0}},
+	{"restart_syscall", {0}},
+	{"semtimedop", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"fadvise64", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"timer_create", {PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"timer_settime", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"timer_gettime", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"timer_getoverrun", {PARAM_NUMBER, 0}},
+	{"timer_delete", {PARAM_NUMBER, 0}},
+	{"clock_settime", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"clock_gettime", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"clock_getres", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"clock_nanosleep", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"exit_group", {PARAM_NUMBER, 0}},
+	{"epoll_wait", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"epoll_ctl", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"tgkill", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"utimes", {PARAM_STRING, PARAM_ADDR, 0}},
+	{"vserver", {PARAM_NUMBER, 0}},
+	{"mbind", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"set_mempolicy", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"get_mempolicy", {PARAM_ADDR, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"mq_open", {PARAM_STRING, PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"mq_unlink", {PARAM_STRING, 0}},
+	{"mq_timedsend", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"mq_timedreceive", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"mq_notify", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"mq_getsetattr", {PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"kexec_load", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"waitid", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"add_key", {PARAM_STRING, PARAM_STRING, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"request_key", {PARAM_STRING, PARAM_STRING, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"keyctl", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"ioprio_set", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"ioprio_get", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"inotify_init", {0}},
+	{"inotify_add_watch", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"inotify_rm_watch", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"migrate_pages", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"openat", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"mkdirat", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"mknodat", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"fchownat", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"futimesat", {PARAM_NUMBER, PARAM_STRING, PARAM_ADDR, 0}},
+	{"newfstatat", {PARAM_NUMBER, PARAM_STRING, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"unlinkat", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"renameat", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, PARAM_STRING, 0}},
+	{"linkat", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"symlinkat", {PARAM_STRING, PARAM_NUMBER, PARAM_STRING, 0}},
+	{"readlinkat", {PARAM_NUMBER, PARAM_STRING, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"fchmodat", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"faccessat", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"pselect6", {PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, PARAM_ADDR, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"ppoll", {PARAM_ADDR, PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"unshare", {PARAM_NUMBER, 0}},
+	{"set_robust_list", {PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"get_robust_list", {PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"splice", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"tee", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"sync_file_range", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"vmsplice", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"move_pages", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"utimensat", {PARAM_NUMBER, PARAM_STRING, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"epoll_pwait", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"signalfd", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"timerfd_create", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"eventfd", {PARAM_NUMBER, 0}},
+	{"fallocate", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"timerfd_settime", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"timerfd_gettime", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"accept4", {PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"signalfd4", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"eventfd2", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"epoll_create1", {PARAM_NUMBER, 0}},
+	{"dup3", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"pipe2", {PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"inotify_init1", {PARAM_NUMBER, 0}},
+	{"preadv", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"pwritev", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"rt_tgsigqueueinfo", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"perf_event_open", {PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"recvmmsg", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"fanotify_init", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"fanotify_mark", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"prlimit64", {PARAM_NUMBER, PARAM_NUMBER, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"name_to_handle_at", {PARAM_NUMBER, PARAM_STRING, PARAM_ADDR, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"open_by_handle_at", {PARAM_NUMBER, PARAM_STRING, PARAM_ADDR, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"clock_adjtime", {PARAM_NUMBER, PARAM_ADDR, 0}},
+	{"syncfs", {PARAM_NUMBER, 0}},
+	{"sendmmsg", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"setns", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"getcpu", {PARAM_ADDR, PARAM_ADDR, PARAM_ADDR, 0}},
+	{"process_vm_readv", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"process_vm_writev", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"kcmp", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"finit_module", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"sched_setattr", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"sched_getattr", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"renameat2", {PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"seccomp", {PARAM_NUMBER, PARAM_NUMBER, PARAM_STRING, 0}},
+	{"getrandom", {PARAM_STRING, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"memfd_create", {PARAM_STRING, PARAM_NUMBER, 0}},
+	{"kexec_file_load", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_STRING, PARAM_NUMBER, 0}},
+	{"bpf", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"stub_execveat", {PARAM_NUMBER, PARAM_STRING, PARAM_ADDR, PARAM_ADDR, PARAM_NUMBER, 0}},
+	{"userfaultfd", {PARAM_NUMBER, 0}},
+	{"membarrier", {PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"mlock2", {PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"copy_file_range", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"preadv2", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+	{"pwritev2", {PARAM_NUMBER, PARAM_ADDR, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, PARAM_NUMBER, 0}},
+};
+
+#endif
diff --git a/strace/srcs/ping.c b/strace/srcs/ping.c
deleted file mode 100644
index 8255115a..00000000
--- a/strace/srcs/ping.c
+++ /dev/null
@@ -1,154 +0,0 @@
-/* ************************************************************************** */
-/*                                                                            */
-/*                                                        :::      ::::::::   */
-/*   main.c                                             :+:      :+:    :+:   */
-/*                                                    +:+ +:+         +:+     */
-/*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
-/*                                                +#+#+#+#+#+   +#+           */
-/*   Created: 2017/04/22 14:10:24 by jhalford          #+#    #+#             */
-/*   Updated: 2017/04/23 18:18:41 by jhalford         ###   ########.fr       */
-/*                                                                            */
-/* ************************************************************************** */
-
-#include "ping.h"
-
-int 	g_pid=-1;
-int		g_pkt_rec=0;
-char	g_domain[256];
-struct s_stats g_rs;
-
-unsigned short ping_cksum(void *b, int len)
-{
-	unsigned short	*buf = b;
-	unsigned int	sum=0;
-
-	for (sum = 0; len > 1; len -= 2)
-		sum += *((unsigned short*)buf++);
-	if (len == 1)
-		sum += *(unsigned char*)buf;
-
-	sum = (sum >> 16) + (sum & 0xFFFF);
-	return (~(sum + (sum >> 16)));
-}
-
-void	display(void *buf, int bytes, struct sockaddr_in *addr)
-{
-	struct ip	*ip = buf;
-	struct icmp *icmp;
-	struct s_packet	*pkt;
-	int		hlen;
-	char	addrstr[INET_ADDRSTRLEN];
-	struct timeval	start, end, triptime;
-	double	diff;
-
-	(void)bytes;
-	hlen = ip->ip_hl << 2;
-	pkt = (struct s_packet*)(buf + hlen);
-	icmp = &pkt->hdr;
-	start = *(struct timeval*)&pkt->msg;
-
-	if (icmp->icmp_id != g_pid)
-		return ;
-	if (gettimeofday(&end, NULL) != 0)
-		return ;
-	timersub(&end, &start, &triptime);
-	diff = (triptime.tv_sec + triptime.tv_usec / 1000000.0) * 1000.0;
-	rs_push(diff);
-	g_pkt_rec++;
-	printf("%d bytes from %s: icmp_seq=%d ttl=%i time=%.3f ms\n",
-			ip->ip_len,
-			inet_ntop(AF_INET, &(addr->sin_addr), addrstr, INET_ADDRSTRLEN),
-			icmp->icmp_seq, ip->ip_ttl, diff);
-}
-
-
-void	ping(struct sockaddr_in *addr)
-{
-	const int		val = 255;
-	int				i;
-	int				sd;
-	int				cnt;
-	struct s_packet	pkt;
-	struct timeval	time;
-
-	if ((sd = socket(PF_INET, SOCK_RAW, IPPROTO_ICMP)) < 0)
-		return (perror("sender socket"));
-	if (setsockopt(sd, 0, IP_TTL, &val, sizeof(val)) != 0)
-		perror("set TTL option");
-	cnt = 0;
-	while (1)
-	{
-		bzero(&pkt, sizeof(pkt));
-		pkt.hdr.icmp_type = ICMP_ECHO;
-		pkt.hdr.icmp_id = g_pid;
-		pkt.hdr.icmp_seq = cnt++;
-
-		for (i=0; i < (int)sizeof(pkt.msg); i++)
-			pkt.msg[i] = i+'0';
-		pkt.msg[i] = 0;
-		if (gettimeofday(&time, NULL) != 0)
-			return ;
-		ft_memcpy(pkt.msg, (void*)&time, sizeof(time));
-		time = *(struct timeval*)&pkt.msg;
-		pkt.hdr.icmp_cksum = ping_cksum(&pkt, sizeof(pkt));
-		if (sendto(sd, &pkt, sizeof(pkt), 0, (struct sockaddr*)addr, sizeof(*addr)) <= 0)
-			perror("sendto");
-		sleep(1);
-	}
-}
-
-void	stats_recap(int signo)
-{
-	double		loss;
-
-	(void)signo;
-	rs_calcmore();
-	loss = g_rs.count ? 100 * ((float) (g_rs.count - g_pkt_rec) / (float)g_rs.count) : 0;
-	printf("\n--- %s ping statistics ---", g_domain);
-	printf("\n%d packets transmitted, %d packets received, %0.1f%% packet loss", g_rs.count, g_pkt_rec, loss);
-	printf("\nround-trip min/avg/max/stddev = %.3f/%.3f/%.3f/%.3f ms", g_rs.min, g_rs.avg, g_rs.max, g_rs.stdev);
-	exit(0);
-}
-
-int		main(int ac, char **av)
-{
-	struct sockaddr_in	*addr;
-	struct addrinfo		*result, hints;
-	char				addrstr[INET_ADDRSTRLEN];
-
-	if (ac != 2)
-	{
-		printf("usage: %s <addr>\n", av[0]);
-		exit(1);
-	}
-
-	memset (&hints, 0, sizeof (hints));
-	hints.ai_family = PF_UNSPEC;
-	hints.ai_socktype = SOCK_STREAM;
-	hints.ai_flags |= AI_CANONNAME;
-	if (getaddrinfo(av[1], NULL, &hints, &result) != 0)
-	{
-		perror("getaddrinfo");
-		exit(1);
-	}
-	addr = (struct sockaddr_in*)result->ai_addr;
-	inet_ntop(AF_INET, &(addr->sin_addr), addrstr, INET_ADDRSTRLEN);
-
-	g_pid = getpid();
-	ft_strcpy(g_domain, addrstr);
-	if (result->ai_canonname)
-		ft_strcpy(g_domain, result->ai_canonname);
-	printf("PING %s (%s): %i data bytes\n", FT_TRY(result->ai_canonname, addrstr), addrstr, 64);
-	if (fork() == 0)
-	{
-		signal(SIGINT, stats_recap);
-		rs_clear();
-		listener(PF_INET, SOCK_RAW, IPPROTO_ICMP, &display);
-	}
-	else
-	{
-		ping(addr);
-		wait(0);
-	}
-	return (0);
-}
diff --git a/strace/srcs/strace.c b/strace/srcs/strace.c
new file mode 100644
index 00000000..3bd6f52a
--- /dev/null
+++ b/strace/srcs/strace.c
@@ -0,0 +1,112 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   main.c                                             :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: jhalford <jack@crans.org>                  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2017/04/22 14:10:24 by jhalford          #+#    #+#             */
+/*   Updated: 2017/04/23 18:18:41 by jhalford         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "strace.h"
+
+extern char **environ;
+
+extern t_syscall	g_syscalls[];
+
+#define LOAD_PARAMS(params, regs) do { \
+	ft_memcpy(params + 0, &regs->rdi, 8); \
+	ft_memcpy(params + 1, &regs->rsi, 8); \
+	ft_memcpy(params + 2, &regs->rdx, 8); \
+	ft_memcpy(params + 3, &regs->rcx, 8); \
+	ft_memcpy(params + 4, &regs->r8, 8); \
+	ft_memcpy(params + 5, &regs->r9, 8); \
+} while (0)
+
+void	print_syscall_params(t_syscall syscall, struct user_regs_struct *regs)
+{
+	enum e_param type;
+	unsigned long long	params[7];
+
+	LOAD_PARAMS(params, regs);
+	for (int i = 0; syscall.params[i]; i++) {
+		type = syscall.params[i];
+		if (i != 0)
+			printf(", ");
+		if (type == PARAM_NUMBER)
+			printf("%d", (int)params[i]);
+		if (type == PARAM_STRING)
+		{
+			if (params[i] == 0)
+				printf("NULL");
+			/* else */
+			/* 	printf("\"%s\"", (char *)params[i]); */
+		}
+		if (type == PARAM_ADDR)
+		{
+			if (params[i] == 0)
+				printf("NULL");
+			else
+				printf("%#llx", params[i]);
+		}
+	}
+}
+
+void	print_syscall_ret(unsigned long long ret)
+{
+	printf(") = ");
+	if ((signed long long)ret < 0)
+		printf("-1 (errno %lld)", -ret);
+	else if (ret >> 16)
+		printf("%#llx", ret);
+	else
+		printf("%lld", ret);
+	printf("\n");
+}
+
+int		main(int ac, char **av)
+{
+	int							child;
+	int							status;
+	unsigned long				old;
+	struct user_regs_struct		regs;
+
+	(void)ac;
+	if ((child = fork()) == 0) {
+		// child process
+		ptrace(PTRACE_TRACEME, child, 0, 0);
+		raise(SIGSTOP);
+		execve(av[1], av + 1, environ);
+	}
+	/* ptrace(PTRACE_SEIZE, child, 0, 0); */
+	wait(&status);
+	ptrace(PTRACE_SETOPTIONS, child, NULL, PTRACE_O_TRACEEXEC);
+	ptrace(PTRACE_SETOPTIONS, child, NULL, PTRACE_O_TRACESYSGOOD);
+	while (1) {
+		ptrace(PTRACE_SYSCALL, child, NULL, NULL);
+		waitpid(child, &status, 0);
+		if (WIFEXITED(status))
+		{
+			if (old != 0)
+				printf(") = ?\n+++ exited with %d +++\n", WEXITSTATUS(status));
+			break ;
+		}
+		else if (!(WIFSTOPPED(status) && WSTOPSIG(status) & 0x80))
+			continue ;
+
+		ptrace(PTRACE_GETREGS, child, NULL, &regs);
+		if (old != regs.rip) {
+			printf("%s(", g_syscalls[regs.orig_rax].name);
+			print_syscall_params(g_syscalls[regs.orig_rax], &regs);
+			old = regs.rip;	
+		}
+		else
+		{
+			print_syscall_ret(regs.rax);
+			old = 0;
+		}
+	}
+	return (0);
+}
diff --git a/strace/test.c b/strace/test.c
new file mode 100644
index 00000000..e14c964b
--- /dev/null
+++ b/strace/test.c
@@ -0,0 +1,11 @@
+#include <unistd.h>
+#include <fcntl.h>
+
+int 	main(void)
+{
+	write(1, "write in tracee\n", 16);
+	int fd = open("test.c", 0);
+	close(fd);
+	dup2(3, fd);
+	return 0;
+}