malloc in c
#include <stdlib.h>
void *malloc(size_t size);
void exemple(void)
{
char *string;
string = malloc(sizeof(char) * 5);
if (string == NULL)
return;
string[0] = 'H';
string[1] = 'e';
string[2] = 'y';
string[3] = '!';
string[4] = '\0';
printf("%s\n", string);
free(string);
}
/// output : "Hey!"// Use malloc to allocate memory
ptr = (castType*) malloc(size);
int *exampl = (int*) malloc(sizeof(int));
// Use calloc to allocate and inizialize n contiguous blocks of memory
ptr = (castType*) calloc(n, size);
char *exampl = (char*) calloc(20, sizeof(char));int* a =(int*)malloc(sizeof(int))ptr = (cast-type*) malloc(byte-size)
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