https://youtu.be/1wKcHX4NYJA #include <stdio.h> int main(void) { FILE *fp = fopen("out.txt", "w"); fprintf(fp, "%s", "File write example in C"); fclose(fp); return 0; }

https://youtu.be/ixQTp57BJXQ #include <stdio.h> int main(void) { char text[100]; FILE *fp = fopen("readme.txt", "r"); if (!fp) { printf("Cannot open the file.\n"); return 1; } while (fgets(text, 100, fp) != NULL) {…

https://youtu.be/je4jonog5uo #include <stdio.h> int main(void) { char a = 'B'; // putchar(a); char myArr[] = "Hello"; for (size_t i = 0; i < (sizeof(myArr) / sizeof(myArr[0])); i++) { putchar(myArr[i]); }…

https://youtu.be/Xej6FKu63cA #include <stdio.h> int main() { printf("Please enter a single character: "); char c; scanf("%c", &c); printf("You entered: %c\n", c); printf("Please enter an integer number : "); int i; scanf("%d",…

https://youtu.be/TIm3DjPWhO4 #include <stdio.h> int i = 60; void myFunc() { int y = 20; printf("Value of I in myFunc() %d\n", i); } int main() { printf("Value of I : %d\n",…

https://youtu.be/PqCZ4mgbmqo

https://youtu.be/pueYFVgLb7o #include <stdio.h> #include <stdlib.h> int main() { int *ptr = malloc(sizeof(int)); if (ptr) { printf("Allocated bytes : %zu\n", sizeof *ptr); } int *newPtr = realloc(ptr, 10 * sizeof(int)); if…

https://youtu.be/MpF-_J91P2A #include <stdio.h> #include <stdlib.h> int main() { int *ptr = calloc(1, sizeof(int)); int *arrPtr = calloc(3, sizeof(int)); if (ptr) { printf("The initial Value is : %d\n", *ptr); *ptr =…

https://youtu.be/Sp29Gz2Mars #include <stdio.h> #include <stdlib.h> typedef struct malloc_example { char a; int i; } MyStruct; int main() { MyStruct *sptr = malloc(sizeof(MyStruct)); int *ptr = malloc(sizeof(*ptr)); char *cptr = malloc(sizeof(char));…

https://youtu.be/c7EIJ24-Few #include <stdio.h> #define ADD(x, y) ((x) + (y)) int main() { int result = ADD(100, 50); printf("The result is = %d\n", result); double sum = ADD(20.90, 58.40); printf("The result…