/** * * @author	@jeffotoni * @copyright	Copyright (c) 2017 *  * Different ways to declare a string using char * */ #include <stdio.h> #include <stdlib.h> #include <string.h> /** * * Defining typedef of type char as vector * */ typedef char string[]; /** * * Defining typedef of char type as vector pointer * */ typedef char *string2[]; /** * * Defining typedef of type char as pointer * */ typedef char *string3; /** * * Main function * */ int main(){ /** * * Defining a pointer with char and assigning a value * */ char *stringx = "Avocado is delicious."; /** * * Defining a char pointer statically * */ char *fstring[0]; /** * * Knowing the size of the char * */ int size = strlen(stringx) + 1; /** * * Our first example using pointer char * */ fstring[0] = (char*) malloc(size * sizeof(char)); /** * * Copying content stringx to fstring * */ strcpy(fstring[0], stringx); /** * * Showing the result * */ printf("\nfstring: %s\n", fstring[0]); /** * * Second example * */ char stringy[strlen(stringx)]; /** * * Copying content stringx to fstring * */ strcpy(stringy, stringx); /** * * Showing the result stringy * */ printf("\nstringy: %s\n", stringy); /** * * Declaring a vector * */ char *fstringx[] = {}; /** * * Allocating memory for the vect * */ fstringx[0] = (char*) malloc(size * sizeof(char)); /** * * Copying content stringx to fstring * */ strcpy(fstringx[0], stringx); /** * * Showing the result stringy * */ printf("\nfstringx: %s\n", fstringx[0]); /** * * Declaring a vector pointer to pointer * */ // char **fstringy[] = {}; /** * * Declaring a string * */ string String = "jefferson name complete"; /** * * Declaring a string {} * */ string2 String2 = {"jefferson something", "something there"}; /** * * Declaring a array * */ char **array = (char**) malloc((10+1)*sizeof(char*)); /** * * Assigning values in our array * */ array[0] = "fluffy"; array[1] = "small"; array[2] = "bunny"; array[3] = 0; /** * * Declaring a y int * */ int y[2][3] = { {10,20,30}, {100,200,300} }; /** * * Declaring a x char * */ char x[2][3] = {"jef","ola"}; /** * * Declaring pointer c * */ char* c[] = {"jef","ola","sel"}; /** * * Declaring vect work * */ char work[] = {"I work here"}; /** * * Declaring vect work2 * */ char work2[] = {'A','B','C'}; /** * * Declaring pointer vect strings * */ char* strings[3]; strings[0] = "foo"; strings[1] = "bar"; strings[2] = "baz"; strings[3] = "jef"; strings[4] = "je2"; /** * * Declaring a1 * */ char a1[][14] = { "Hello", "folks" }; /** * * Declaring a2 * */ char* a2[] = { "Hello", "guys" }; /** * * Declaring a3 * */ char (*a3[])[] = { &"Guys", &"People" }; printf("\n[%s] [%s]\n",a1[0], a1[1]); printf("\n[%s] [%s]\n",a2[0], a2[1]); printf("\n[%s] [%s]\n", *a3[0], *a3[1]); }

$ gcc char.c -o char