From 97d77a3ff6fcf86d8e7c63cac02a27f2734f9a0a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mert=20G=C3=B6r?= <mertgor@masscollabs.xyz>
Date: Sat, 12 Apr 2025 22:53:01 +0300
Subject: [PATCH] changed code removed main from each file

---
 Makefile                            | 12 ++++--------
 c-basic/float_double.c              |  2 +-
 c-basic/foo.c                       |  6 ------
 c-basic/hello.c                     |  2 +-
 c-basic/hex_read_scanf.c            |  2 +-
 c-basic/main.c                      |  8 +++++++-
 c-basic/print_example.c             |  2 +-
 c-basic/print_example_with_scan.c   |  2 +-
 c-basic/scanf_example.c             |  2 +-
 c-basic/scanf_example_two_numbers.c |  2 +-
 c-basic/toplama.c                   |  2 +-
 11 files changed, 19 insertions(+), 23 deletions(-)

diff --git a/Makefile b/Makefile
index 5b56c5d..1c62978 100644
--- a/Makefile
+++ b/Makefile
@@ -2,16 +2,12 @@ CC = gcc
 CFLAGS = -Wall -Wextra -std=c11
 SRCDIR = ./c-basic
 SRC = $(wildcard $(SRCDIR)/*.c)
-OBJ = $(SRC:.c=.o)
+OBJ = $(patsubst $(SRCDIR)/%.c, $(SRCDIR)/%.o, $(SRC))
 TARGET = main
-
 all: $(TARGET)
-
 $(TARGET): $(OBJ)
-    $(CC) $(CFLAGS) -o $@ $^
-
+	$(CC) $(CFLAGS) -o $@ $^
 $(SRCDIR)/%.o: $(SRCDIR)/%.c
-    $(CC) $(CFLAGS) -c $< -o $@
-
+	$(CC) $(CFLAGS) -c $< -o $@
 clean:
-    rm -f $(OBJ) $(TARGET)
\ No newline at end of file
+	rm -f $(OBJ) $(TARGET)
\ No newline at end of file
diff --git a/c-basic/float_double.c b/c-basic/float_double.c
index d9c7dea..d9b3f83 100644
--- a/c-basic/float_double.c
+++ b/c-basic/float_double.c
@@ -1,6 +1,6 @@
 #include <stdio.h>
 
-int main()
+int my_float()
 {
   float f;
   double d;
diff --git a/c-basic/foo.c b/c-basic/foo.c
index 51ca92a..a9602ef 100644
--- a/c-basic/foo.c
+++ b/c-basic/foo.c
@@ -6,9 +6,3 @@ int foo()
 
   return 0;
 }
-
-int main()
-{
-  foo();
-  return 0;
-}
diff --git a/c-basic/hello.c b/c-basic/hello.c
index ae55976..28bacae 100644
--- a/c-basic/hello.c
+++ b/c-basic/hello.c
@@ -1,6 +1,6 @@
 #include <stdio.h>
 
-int main()
+int hello()
 {
   printf("Hello C Programming Language 2025 Examples");
 
diff --git a/c-basic/hex_read_scanf.c b/c-basic/hex_read_scanf.c
index 024a6dc..7a41cdf 100644
--- a/c-basic/hex_read_scanf.c
+++ b/c-basic/hex_read_scanf.c
@@ -3,7 +3,7 @@
 int hex_scan()
 {
 
-  int a, b;
+  int a;
 
   printf("Enter a number : ");
 
diff --git a/c-basic/main.c b/c-basic/main.c
index ae17498..fc257e1 100644
--- a/c-basic/main.c
+++ b/c-basic/main.c
@@ -1,5 +1,11 @@
 #include <stdio.h>
-#include "hex_read_scanf.c"
+
+#ifndef HEX_READ_SCANF_H
+#define HEX_READ_SCANF_H
+
+extern void hex_scan();
+
+#endif // HEX_READ_SCANF_H
 
 int main()
 {
diff --git a/c-basic/print_example.c b/c-basic/print_example.c
index 3ed8630..8f723d1 100644
--- a/c-basic/print_example.c
+++ b/c-basic/print_example.c
@@ -1,6 +1,6 @@
 #include <stdio.h>
 
-int main()
+int print_example()
 {
   int a = 10, b = 20;
 
diff --git a/c-basic/print_example_with_scan.c b/c-basic/print_example_with_scan.c
index 5a09d15..bb5c4a8 100644
--- a/c-basic/print_example_with_scan.c
+++ b/c-basic/print_example_with_scan.c
@@ -1,6 +1,6 @@
 #include <stdio.h>
 
-int main()
+int print_with_scan()
 {
   int a , b ;
 
diff --git a/c-basic/scanf_example.c b/c-basic/scanf_example.c
index fe4fa30..3d30fed 100644
--- a/c-basic/scanf_example.c
+++ b/c-basic/scanf_example.c
@@ -1,6 +1,6 @@
 #include <stdio.h>
 
-int main()
+int my_scan()
 {
   int a;
 
diff --git a/c-basic/scanf_example_two_numbers.c b/c-basic/scanf_example_two_numbers.c
index a01d51e..72ab12b 100644
--- a/c-basic/scanf_example_two_numbers.c
+++ b/c-basic/scanf_example_two_numbers.c
@@ -1,6 +1,6 @@
 #include <stdio.h>
 
-int main()
+int scan_two_numbers()
 {
   int a, b;
 
diff --git a/c-basic/toplama.c b/c-basic/toplama.c
index 6bd7e22..3aa3ee9 100644
--- a/c-basic/toplama.c
+++ b/c-basic/toplama.c
@@ -1,6 +1,6 @@
 #include <stdio.h>
 
-int main()
+int addition()
 {
   int a , b , c;