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!"malloc c
int main(int argc, char *argv[])
{
int* memoireAllouee = NULL;
memoireAllouee = malloc(sizeof(int));
if (memoireAllouee == NULL) // Si l'allocation a échoué
{
exit(0); // On arrête immédiatement le programme
}
// On peut continuer le programme normalement sinon
return 0;
}C malloc
#include <stdlib.h>
int main(){
int *ptr;
ptr = malloc(15 * sizeof(*ptr)); /* a block of 15 integers */
if (ptr != NULL) {
*(ptr + 5) = 480; /* assign 480 to sixth integer */
printf("Value of the 6th integer is %d",*(ptr + 5));
}
}Copyright © 2021 Codeinu
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