printf n characters c
snippet in c

allocate memory c

user2668

// 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));

allocate memory c

user6110

ptr = (castType*)calloc(n, size);

printf n characters c

user3812

// Only 5 characters printed. When using %.*s, add a value before your string variable to specify the length.
printf("Here are the first 5 characters: %.*s\n", 5, mystr); //5 here refers to # of characters

printf n characters c

user8791

// Only 5 characters printed
const char * mystr = "This string is definitely longer than what we want to print.";
printf("Here are first 5 chars only: %.5s\n", mystr);