Esc + :set number

system("leaks exe”);

export MallocStackLogging=1

gcc -Wall -g exam.c -o exe

./exe

./exe in.txt

whatis x

man 3 printf

#include <stdio.h>

#include <stdlib.h>

#include <sys/types.h>

#include <sys/stat.h>

#include <fcntl.h>

#include <unistd.h>

#include <string.h>

char msg[] = "Hello";

char msg[6] = {'H', 'e', 'l', 'l', 'o', '\0'};

int *p; // pointer to an integer variable

char *c; // pointer to a char variable

float *f; // pointer to a float variable