Convert char array to a int number in C

Question

I want to convert a char array[] like:

char myarray[4] = {\'-\',\'1\',\'2\',\'3\'}; //where the - means it is negative

So it should be the

Answer 1

Why not just use atoi? For example:

char myarray[4] = {'-','1','2','3'};

int i = atoi(myarray);

printf("%d\n", i);

Gives me, as expected:

-123

Update: why not - the character array is not null terminated. Doh!