diff --git a/.vscode/configurationCache.log b/.vscode/configurationCache.log
new file mode 100644
index 0000000..15ab425
--- /dev/null
+++ b/.vscode/configurationCache.log
@@ -0,0 +1 @@
+{"buildTargets":["clean","clear","main.o","profile.out"],"launchTargets":["/Users/projecttl/Sources/devproje>profile.out()"],"customConfigurationProvider":{"workspaceBrowse":{"browsePath":["/Users/projecttl/Sources/devproje"],"compilerArgs":["-c","-o","main.o","main.c"]},"fileIndex":[["/Users/projecttl/Sources/devproje/main.c",{"uri":{"$mid":1,"fsPath":"/Users/projecttl/Sources/devproje/main.c","external":"file:///Users/projecttl/Sources/devproje/main.c","path":"/Users/projecttl/Sources/devproje/main.c","scheme":"file"},"configuration":{"defines":[],"includePath":[],"forcedInclude":[],"compilerPath":"/usr/local/bin/gcc","compilerArgs":["-c","-o","main.o","main.c"],"windowsSdkVersion":""},"compileCommand":{"command":"gcc -c -o main.o main.c","directory":"/Users/projecttl/Sources/devproje","file":"/Users/projecttl/Sources/devproje/main.c"}}]]}}
\ No newline at end of file
diff --git a/.vscode/dryrun.log b/.vscode/dryrun.log
new file mode 100644
index 0000000..4f53cdc
--- /dev/null
+++ b/.vscode/dryrun.log
@@ -0,0 +1,5 @@
+make --dry-run --keep-going --print-directory
+make: Entering directory `/Users/projecttl/Sources/devproje'
+make: `profile.out' is up to date.
+make: Leaving directory `/Users/projecttl/Sources/devproje'
+ 
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..4fef2f3
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,7 @@
+{
+    "makefile.extensionOutputFolder": "./.vscode",
+    "files.associations": {
+        "stdio.h": "c",
+        "typeinfo": "c"
+    }
+}
\ No newline at end of file
diff --git a/.vscode/targets.log b/.vscode/targets.log
new file mode 100644
index 0000000..c5d4f78
--- /dev/null
+++ b/.vscode/targets.log
@@ -0,0 +1,254 @@
+make all --print-data-base --no-builtin-variables --no-builtin-rules --question
+# GNU Make 3.81
+# Copyright (C) 2006  Free Software Foundation, Inc.
+# This is free software; see the source for copying conditions.
+# There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+# This program built for i386-apple-darwin11.3.0
+ 
+make: *** No rule to make target `all'.  Stop.
+
+
+# Make data base, printed on Fri May 20 10:21:23 2022
+
+# Variables
+
+# automatic
+<D = $(patsubst %/,%,$(dir $<))
+# automatic
+?F = $(notdir $?)
+# environment
+VSCODE_LOG_NATIVE = false
+# automatic
+?D = $(patsubst %/,%,$(dir $?))
+ 
+# automatic
+@D = $(patsubst %/,%,$(dir $@))
+# automatic
+@F = $(notdir $@)
+# makefile
+CURDIR := /Users/projecttl/Sources/devproje
+# makefile
+SHELL = /bin/sh
+# environment
+VSCODE_NLS_CONFIG = {"locale":"en-us","availableLanguages":{},"_languagePackSupport":true}
+# environment
+_ = /usr/bin/make
+# makefile (from `Makefile', line 1)
+MAKEFILE_LIST :=  Makefile
+# environment
+VSCODE_VERBOSE_LOGGING = true
+# environment
+__CFBundleIdentifier = com.microsoft.VSCode
+# environment
+P9K_SSH = 0
+# environment
+VSCODE_IPC_HOOK_EXTHOST = /var/folders/00/21zt7rs96kvf241qdyjgx1mr0000gn/T/vscode-ipc-c3c719ed-b220-4745-867e-0af8caf70c0e.sock
+# environment
+VSCODE_CWD = /
+# environment
+PATH = /Library/Frameworks/Python.framework/Versions/3.10/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Applications/VMware Fusion.app/Contents/Public:/usr/local/go/bin://flutter/bin
+# environment
+LSCOLORS = Gxfxcxdxbxegedabagacad
+# environment
+VSCODE_LOG_STACK = false
+# environment
+ELECTRON_RUN_AS_NODE = 1
+# default
+.FEATURES := target-specific order-only second-expansion else-if archives jobserver check-symlink
+# environment
+SSH_AUTH_SOCK = /private/tmp/com.apple.launchd.AHiXdF2OZh/Listeners
+# automatic
+%F = $(notdir $%)
+# environment
+VSCODE_PIPE_LOGGING = true
+# environment
+PWD = /Users/projecttl/Sources/devproje
+# environment
+ORIGINAL_XDG_CURRENT_DESKTOP = undefined
+# environment
+VSCODE_AMD_ENTRYPOINT = vs/workbench/api/node/extensionHostProcess
+# environment
+HOME = /Users/projecttl
+# default
+MAKEFILEPATH = $(shell /usr/bin/xcode-select -print-path 2>/dev/null || echo /Developer)/Makefiles
+# environment
+VSCODE_CODE_CACHE_PATH = /Users/projecttl/Library/Application Support/Code/CachedData/c3511e6c69bb39013c4a4b7b9566ec1ca73fc4d5
+# environment
+LOGNAME = projecttl
+# environment
+APPLICATION_INSIGHTS_NO_DIAGNOSTIC_CHANNEL = 1
+# environment
+ZSH = /Users/projecttl/.oh-my-zsh
+# environment
+VSCODE_HANDLES_UNCAUGHT_ERRORS = true
+# automatic
+^D = $(patsubst %/,%,$(dir $^))
+# makefile (from `Makefile', line 2)
+obj = main.o
+# environment
+XPC_FLAGS = 0x0
+# default
+MAKE = $(MAKE_COMMAND)
+# default
+MAKECMDGOALS := all
+# environment
+SHLVL = 1
+# default
+MAKE_VERSION := 3.81
+# environment
+USER = projecttl
+# makefile
+.DEFAULT_GOAL := profile.out
+# environment
+LESS = -R
+# automatic
+%D = $(patsubst %/,%,$(dir $%))
+# default
+MAKE_COMMAND := /Library/Developer/CommandLineTools/usr/bin/make
+# default
+.VARIABLES := 
+# environment
+TMPDIR = /var/folders/00/21zt7rs96kvf241qdyjgx1mr0000gn/T/
+# automatic
+*F = $(notdir $*)
+# environment
+VSCODE_IPC_HOOK = /Users/projecttl/Library/Application Support/Code/1.67.2-main.sock
+# makefile
+MAKEFLAGS = Rrqp
+# environment
+MFLAGS = -Rrqp
+# automatic
+*D = $(patsubst %/,%,$(dir $*))
+# environment
+XPC_SERVICE_NAME = application.com.microsoft.VSCode.8229336.8229342
+# automatic
++D = $(patsubst %/,%,$(dir $+))
+# automatic
++F = $(notdir $+)
+# makefile (from `Makefile', line 3)
+target = profile.out
+# environment
+__CF_USER_TEXT_ENCODING = 0x1F5:0x0:0x0
+# environment
+COMMAND_MODE = unix2003
+# default
+MAKEFILES := 
+# automatic
+<F = $(notdir $<)
+# environment
+PAGER = less
+# environment
+LC_ALL = C
+# makefile (from `Makefile', line 1)
+cc = gcc
+# automatic
+^F = $(notdir $^)
+# default
+SUFFIXES := 
+# default
+.INCLUDE_DIRS = /usr/local/include
+# environment
+MAKELEVEL := 0
+# environment
+LANG = C
+# environment
+VSCODE_PID = 12684
+# variable set hash-table stats:
+# Load=70/1024=7%, Rehash=0, Collisions=1/96=1%
+
+# Pattern-specific Variable Values
+
+# No pattern-specific variable values.
+
+# Directories
+
+ 
+# . (device 16777220, inode 8452504): 10 files, no impossibilities.
+
+# 10 files, no impossibilities in 1 directories.
+
+# Implicit Rules
+
+# No implicit rules.
+
+# Files
+
+# Not a target:
+all:
+#  Command-line target.
+#  Implicit rule search has been done.
+#  File does not exist.
+#  File has not been updated.
+# variable set hash-table stats:
+# Load=0/32=0%, Rehash=0, Collisions=0/0=0%
+
+profile.out: main.o
+#  Implicit rule search has not been done.
+#  Modification time never checked.
+#  File has not been updated.
+#  commands to execute (from `Makefile', line 6):
+	$(cc) -o $(target) $(obj)
+	
+
+# Not a target:
+main.c:
+#  Implicit rule search has not been done.
+#  Modification time never checked.
+#  File has not been updated.
+
+# Not a target:
+.SUFFIXES:
+#  Implicit rule search has not been done.
+#  Modification time never checked.
+#  File has not been updated.
+
+# Not a target:
+Makefile:
+#  Implicit rule search has been done.
+#  Last modified 2022-05-20 10:21:22
+#  File has been updated.
+#  Successfully updated.
+# variable set hash-table stats:
+# Load=0/32=0%, Rehash=0, Collisions=0/0=0%
+
+# Not a target:
+.DEFAULT:
+#  Implicit rule search has not been done.
+#  Modification time never checked.
+#  File has not been updated.
+
+clean:
+#  Implicit rule search has not been done.
+ 
+#  Modification time never checked.
+#  File has not been updated.
+#  commands to execute (from `Makefile', line 12):
+	rm $(obj) $(target)
+	
+
+main.o: main.c
+#  Implicit rule search has not been done.
+#  Modification time never checked.
+#  File has not been updated.
+#  commands to execute (from `Makefile', line 9):
+	$(cc) -c -o main.o main.c
+	
+
+# files hash-table stats:
+# Load=8/1024=1%, Rehash=0, Collisions=0/22=0%
+# VPATH Search Paths
+
+# No `vpath' search paths.
+
+# No general (`VPATH' variable) search path.
+
+# # of strings in strcache: 1
+# # of strcache buffers: 1
+# strcache size: total = 4096 / max = 4096 / min = 4096 / avg = 4096
+# strcache free: total = 4087 / max = 4087 / min = 4087 / avg = 4087
+
+# Finished Make data base on Fri May 20 10:21:23 2022
+
+ 
diff --git a/Makefile b/Makefile
index ae7b2b0..ec208f9 100644
--- a/Makefile
+++ b/Makefile
@@ -8,5 +8,5 @@ $(target): $(obj)
 main.o: main.c
 	$(cc) -c -o main.o main.c
 
-clear:
+clean:
 	rm $(obj) $(target)
\ No newline at end of file
diff --git a/main.c b/main.c
index 97f8ce1..fcdee44 100644
--- a/main.c
+++ b/main.c
@@ -1,20 +1,20 @@
 #include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
 
-struct Person {
-  char name[20];
-  int age;
+struct person {
+    char *name;
+    int age;
 };
 
 int main(int argc, char **argv) {
-  struct Person *dev = malloc(sizeof(struct Person));
+    struct person *project = malloc(sizeof(struct person));
+    project->name = malloc(sizeof(char) * 20);
   
-  strcpy(dev->name, "Project_TL");
-  dev->age = 17; // 한국 만 나이
+    strcpy(project->name, "Project_TL");
+    project->age = 18;
   
-  printf("Hello! I'm %d years old %s Nice to meet you!\n", dev->age, dev->name);
-  free(dev);
+    printf("Hello! I'm %s, I'm %d years old. Nice to meet you!\n", project->name, project->age);
+    
+    free(project);
 
-  return 0;
-}
+    return 0;
+}
\ No newline at end of file
diff --git a/main.o b/main.o
new file mode 100644
index 0000000..27e4492
Binary files /dev/null and b/main.o differ
diff --git a/profile.out b/profile.out
new file mode 100755
index 0000000..25573bc
Binary files /dev/null and b/profile.out differ