C

w3school/arrayfunc.c

@@ -0,0 +1,21 @@
+#include <stdio.h>
+
+void myFunc(int myNum[5]) {
+    for (int i = 0; i < 5; i++) {
+        printf("%d\n", myNum[i]);
+    }
+
+    {
+        int i = 0;
+        while (i < 5) {
+            printf("%d\n", myNum[i]);
+            i++;
+        }
+    }
+}
+
+int main() {
+    int myNum[5] = {25, 50, 75, 100, 125};
+    myFunc(myNum);
+return 0;
+}

w3school/arrays.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+int main() {
+
+    int myNumbers[] = {11, 22, 33, 44, 55};
+    printf("%d\n", myNumbers[4]);    
+    int matrix[2][3] = { {1, 4, 9}, {2, 5, 7} };
+    printf ("%d\n", matrix[1][2]);
+    printf ("%p", &myNumbers);
+
+     return 0;
+ }

w3school/booleans.c

@@ -0,0 +1,14 @@
+#include <stdbool.h>
+#include <stdio.h>
+int main() {
+    int votingAge = 18;
+    int myAge = 18;
+    if (myAge > votingAge) {
+        printf("Oy verebilirsiniz!");
+    } else if (myAge == votingAge) {
+        printf("test2");
+    } else {
+        printf("test1");
+    }
+    
+}

w3school/charfunc.c

@@ -0,0 +1,11 @@
+#include <stdio.h>
+
+void myFunc(char name[], int age) {
+    printf("Hello %s. You're %d years old\n", name, age);
+}
+
+int main() {
+    myFunc("Liam", 3);
+    myFunc("Ahmet", 30);
+return 0;
+}

w3school/declarition.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+int myFunc(int,int);
+
+int main(){
+    int result = myFunc(5, 3);
+    printf("Result is %d", result);
+return 0;
+}
+
+int myFunc(int x, int y){
+    return x + y;
+}

w3school/fgets.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+int main() {
+    int test1;
+    char test2[50];
+    char test3[50];
+
+    printf("Test box! : ");
+    fgets(test2, sizeof(test2), stdin);
+    printf("WORKING! : %s", test2);
+    printf("TEST2! : ");
+    fgets(test3, sizeof(test3), stdin);
+    printf("WORKING2!: %s", test3);
+return 0;
+}

w3school/file.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+int main() {
+
+    FILE *fptr;
+
+    fptr = fopen("test1.txt", "a");
+    fprintf(fptr, "\nThis is Working!");
+    fclose(fptr);
+
+return 0;
+}

w3school/fileopen.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+int main () {
+
+    FILE *fptr;
+
+    fptr = fopen("test1.txt", "r");
+    char myStr[100];
+
+    while(fgets(myStr, 100, fptr)) {
+    printf("%s", myStr);
+    }
+    fclose (fptr);
+
+return 0;
+}

w3school/for loop.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+int main() {
+
+int i, j;
+
+for (i = 1; i <= 2; ++i) {
+   printf("test: %d\n", i);
+
+        for (j = 1; j <= 3; ++j) {
+        printf("test2 : %d\n", j);
+ }
+}   
+    return 0;
+}

w3school/function.c

@@ -0,0 +1,11 @@
+#include <stdio.h>
+
+void myFunc() {
+    printf("My first Function!");
+
+}
+
+int main() {
+    myFunc();
+return 0;
+}

w3school/function2.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+int myProg(int x) {
+    return x + 3;
+}
+
+int main() {
+
+    int y = 5;
+    printf("%d\n", myProg(y));
+return 0;
+}

w3school/hello.c

@@ -0,0 +1,27 @@
+#include <stdio.h>
+
+int main() {
+// Learning C types
+int myNum;
+char myChar;
+float myFloat;
+myChar = 'a';
+myFloat = 1.55;
+int myNumero = 11;
+myNum = myNumero;
+int x = 4;
+int y = 10;
+int suma = x + y;
+int a = 10, b = 20, c = 30;
+float sum = (float) y / x;
+int myInt = 9.99;
+    //printf("My fav number is :%d\n", myNum);
+    printf("%lu\n", sizeof(myFloat));
+    printf("%lu\n", sizeof(myChar));
+    //printf("My fav number is: %d\t and My fav character is: %c\n", myNum, myChar);
+    printf("%lu\n", sizeof(suma));
+    //printf("%d\n", a + b +c);
+    //printf("%.1f\n", sum);
+    printf("%lu\n", sizeof(myInt));
+    return 0;
+}

w3school/input.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+
+int main() {
+
+    int sakiriNum;
+    char sakireDeger[30];
+    printf("Please, enter a number: \n");
+    scanf("%d", &sakiriNum);
+    printf("Please, enter your name: \n");
+    scanf("%s", sakireDeger);
+    printf("You pressed sakir: %d,", sakiriNum);
+    printf(" %s!", sakireDeger);
+return 0;
+}

w3school/loop.c

@@ -0,0 +1,11 @@
+#include <stdio.h>
+int main() {
+    int i = 0;
+
+while (i >= 5) { 
+
+    printf("%d\n", i);
+    i++;
+}
+
+}

w3school/math.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <math.h>
+
+int myProg(int, int);
+
+int main(){
+    float fullNum;
+    int b;
+
+    printf("Lutfen rakam giriniz! \n");
+    scanf("%f\n", &fullNum);
+    printf("%f\n", ceil(fullNum));
+    printf("%f", floor(fullNum));
+return 0;
+
+}

w3school/matrix.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+int main() {
+
+    int matrix[2][3] = { {1, 2, 3}, {4, 5, 6} };
+    int i,j;
+    for (i = 0; i < 2; i++) {
+        for (j = 0; j < 3; j++) {
+            printf ("%d\n", matrix[i][j]);
+        }
+    }
+    return 0;
+}

w3school/pointer.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+
+int main () {
+
+    int speedTrain = 150;
+    int* ptr = &speedTrain;
+
+    printf("%d\n", speedTrain);
+    printf("%p\n", &speedTrain);
+    printf("%p\n", ptr);
+    printf("%d\n", *ptr);
+
+return 0;
+}

w3school/pointerarrays.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+int main() {
+    int myNum[4] = {25, 50, 75, 100};
+    int i;
+    int j;
+
+    for (i = 0; i < 4; i++) {
+        printf("%p\n", &myNum[i]);
+    }
+    printf("%lu\n", sizeof(j));
+    printf("%p\n", myNum);
+    printf("%p\n", &myNum[0]);
+    printf("%lu\n", sizeof(myNum));
+return 0;
+}

w3school/pointerarrays2.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+int main() {
+    
+    int myNumbers[4] = {25, 50, 75, 100};
+    int *ptr = myNumbers;
+    int i;
+    *myNumbers = 101;
+    *(myNumbers + 1) = 55;
+
+    for (i = 0; i < 4; i++) {
+        printf("%d\n", *(ptr + i));
+    }
+    printf("%d\n", *(myNumbers + 1));
+return 0;
+}

w3school/recursion.c

@@ -0,0 +1,22 @@
+#include <stdio.h>
+
+int myProg(int k);
+
+int main() {
+    int b;
+    printf("Type a num: \n");
+    scanf("%d", &b);
+    int result = myProg(b);
+    printf("%d\n", result);
+return 0;
+
+}
+
+int myProg(int k) {
+    if (k > 10) {
+        return k + myProg(k - 1);
+    } else {
+        return 0;
+    }
+
+}

w3school/specialstrings.c

@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main () {
+    char txt[] = "If i live in a \"different\" universe i love you";
+    printf ("%s", txt);
+return 0;
+}

w3school/string.c

@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include <string.h>
+
+int main () {
+    char test[40] = "TESTING";
+    char test2[50] = " WORKING";
+    char test3[50] = "TESTING";
+    printf("%d", strcmp(test, test3));
+return 0;
+}

w3school/strings.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+int main () {
+    char greetings[] = "Hello!";
+    greetings[0] = 'Y';
+    printf("%s\n", greetings);
+return 0;
+}

w3school/stringsloop.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+
+int main () {
+    char carName[] = "GOLF";
+    int i;
+    int j = 0;
+    while (j < 5) {
+
+        for (i = 0; i < 5; i++) {
+            printf ("%c\t", carName[i]);
+        
+        }
+        printf ("\n");
+    j++;
+    }
+return 0;
+}

w3school/structer.c

@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <string.h>
+
+struct myStruct {
+    int myNum;
+    char myLtr;
+    char myString[30];
+};
+
+int main () {
+
+    struct myStruct s1;
+    s1.myNum = 10;
+    s1.myLtr = 'a';
+    strcpy(s1.myString, "Greetings!");
+
+    struct myStruct s2;
+    s2.myNum = 19;
+    s2.myLtr = 'C';
+
+    printf("%s\n", s1.myString);
+    printf("%d\n", s1.myNum);
+    printf("%c\n", s1.myLtr);
+    printf("%d\n", s2.myNum);
+    printf("%c\n", s2.myLtr);
+
+return 0;
+}

w3school/structer2.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <string.h>
+
+struct myStruct {
+    int myNum;
+    char myNam[30];
+};
+
+
+int main () {
+
+    struct myStruct s3 = {15, "Hello World!"};
+    printf("%d\n%s", s3.myNum, s3.myNam);
+
+    return 0;
+
+}

w3school/switch.c

@@ -0,0 +1,42 @@
+#include <stdio.h>
+int main() {
+    int day = 8;
+    
+    
+    switch (day) {
+    
+    case 1:
+        printf("monday");
+        break;
+    
+    case 2:
+        printf("tuesday");
+        break;
+    
+    case 3:
+        printf("wednesday");
+        break;
+    
+    case 4:
+        printf("thursday");
+        break;
+
+    case 5:
+        printf("friday");
+        break;
+    
+    case 6:
+        printf("saturday");
+        break;
+
+    case 7:
+        printf("sunday");
+        break;
+
+    default:
+     printf("there's 7 day in week!");
+     
+    }
+
+
+}

w3school/test1.txt

@@ -0,0 +1,2 @@
+Hello World!
+This is Working!

w3school/test2.c

@@ -0,0 +1,7 @@
+#include <stdio.h> 
+    int main() {
+int x = 7;
+int y = 5;
+printf ("%d\n", !(x > 4 && y > 4));
+
+    }