diff --git a/strace/.gitignore b/strace/.gitignore
new file mode 100644
index 00000000..963fa282
--- /dev/null
+++ b/strace/.gitignore
@@ -0,0 +1 @@
+ft_strace
diff --git a/strace/.gitmodules b/strace/.gitmodules
new file mode 100644
index 00000000..e69de29b
diff --git a/strace/Makefile b/strace/Makefile
new file mode 100644
index 00000000..a2b01c98
--- /dev/null
+++ b/strace/Makefile
@@ -0,0 +1,77 @@
+# **************************************************************************** #
+#                                                                              #
+#                                                         :::      ::::::::    #
+#    Makefile                                           :+:      :+:    :+:    #
+#                                                     +:+ +:+         +:+      #
+#    By: wescande <wescande@student.42.fr>          +#+  +:+       +#+         #
+#                                                 +#+#+#+#+#+   +#+            #
+#    Created: 2016/08/29 21:32:58 by wescande          #+#    #+#              #
+#    Updated: 2017/04/22 19:26:34 by jhalford         ###   ########.fr        #
+#                                                                              #
+# **************************************************************************** #
+
+SHELL		:=	bash
+
+NAME		=	ft_strace
+
+CC			=	gcc
+W_FLAGS		=	-Wall -Wextra -Werror
+D_FLAGS		=
+FLAGS		=	$(W_FLAGS) $(D_FLAGS)
+
+LEN_NAME	=	`printf "%s" $(NAME) |wc -c`
+DELTA		=	$$(echo "$$(tput cols)-31-$(LEN_NAME)"|bc)
+
+SRC_DIR		=	srcs/
+INC_DIR		=	includes/
+OBJ_DIR		=	objs/
+
+SRC_BASE	=	\
+strace.c\
+
+SRCS		=	$(addprefix $(SRC_DIR), $(SRC_BASE))
+OBJS		=	$(addprefix $(OBJ_DIR), $(SRC_BASE:.c=.o))
+NB			=	$(words $(SRC_BASE))
+INDEX		=	0
+
+all :
+	@make -j $(NAME)
+
+$(NAME):	$(OBJ_DIR) $(OBJS)
+	@$(CC) $(OBJS) -o $@ \
+		-I $(INC_DIR) \
+		$(FLAGS)
+	@printf "\r\033[38;5;117m✓ MAKE $@ \033[0m\033[K\n"
+
+$(OBJ_DIR) :
+	@mkdir -p $(OBJ_DIR)
+
+$(OBJ_DIR)%.o :	$(SRC_DIR)%.c | $(OBJ_DIR)
+	@$(eval DONE=$(shell echo $$(($(INDEX)*20/$(NB)))))
+	@$(eval PERCENT=$(shell echo $$(($(INDEX)*100/$(NB)))))
+	@$(eval TO_DO=$(shell echo $$((20-$(INDEX)*20/$(NB) - 1))))
+	@$(eval COLOR=$(shell list=(160 196 202 208 215 221 226 227 190 154 118 82 46); index=$$(($(PERCENT) * $${#list[@]} / 100)); echo "$${list[$$index]}"))
+	@printf "\r\033[38;5;%dm⌛ [%s]: %2d%% `printf '█%.0s' {0..$(DONE)}`%*s❙%*.*s\033[0m\033[K" $(COLOR) ft_p $(PERCENT) $(TO_DO) "" $(DELTA) $(DELTA) "$(shell echo "$@" | sed 's/^.*\///')"
+	@$(CC) $(FLAGS) $(OBJ_FLAG) -MMD -c $< -o $@\
+		-I $(INC_DIR)
+	@$(eval INDEX=$(shell echo $$(($(INDEX)+1))))
+
+clean:
+	@if [ -e $(OBJ_DIR) ]; then \
+		rm -rf $(OBJ_DIR); \
+		printf "\r\033[38;5;202m✗ clean $(NAME) \033[0m\033[K\n"; \
+	fi;
+
+fclean:		clean
+	@for file in $(NAME); do \
+		if [ -e $$file ]; then \
+			rm -f $$file ; \
+			printf "\r\033[38;5;196m✗ fclean $$file\033[0m\033[K\n"; \
+		fi; \
+	done;
+
+re:				fclean all
+
+.PHONY :		fclean clean re
+
+-include $(OBJS:.o=.d)
diff --git a/strace/includes/strace.h b/strace/includes/strace.h
new file mode 100644
index 00000000..528f8ac0
--- /dev/null
+++ b/strace/includes/strace.h
@@ -0,0 +1,370 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   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 <unistd.h>
+# include <stdlib.h>
+# include <stdio.h>
+# include <string.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/strace.c b/strace/srcs/strace.c
new file mode 100644
index 00000000..d3d089c4
--- /dev/null
+++ b/strace/srcs/strace.c
@@ -0,0 +1,111 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   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 { \
+	memcpy(params + 0, &regs->rdi, 8); \
+	memcpy(params + 1, &regs->rsi, 8); \
+	memcpy(params + 2, &regs->rdx, 8); \
+	memcpy(params + 3, &regs->rcx, 8); \
+	memcpy(params + 4, &regs->r8, 8); \
+	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) {
+		/* ptrace(PTRACE_TRACEME, child, 0, 0); */
+		raise(SIGSTOP);
+		execve(av[1], av + 1, environ);
+	}
+	ptrace(PTRACE_SEIZE, child, 0, (void*)(PTRACE_O_TRACESYSGOOD));
+	ptrace(PTRACE_INTERRUPT, child, 0, 0);
+	wait(&status);
+	/* ptrace(PTRACE_SETOPTIONS, child, NULL, PTRACE_O_TRACEEXEC); */
+	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;
+}