how to word with malloc in c code example
Example 1: how to malloc for matrix in c
int** mat = (int**)malloc(rows * sizeof(int*))
for (int index=0;index<row;++index)
{
mat[index] = (int*)malloc(col * sizeof(int));
}
Example 2: 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);
}