How to convert a char array into an int in C++?

Prints the elements of the array as the ASCII character they represent, for example, if an array arr contains {65,66,67,68},then the following code: printArrayAsChar(4); will print ...show more

I need to take an array of characters and convert it to an int. Ex: --------------------------------------… char a []; a[0] = '1'; a[1] = '2'; a[2] = '3'; --------------------------------------… Is there anyway to take this array and make...

hi i have any array of chararctaers that reresent a speed for example char a[3]={0,.,9} i want to convert this array to a float value .. that is float b=0.9 i havea function that convert an array with only number to an integer value i cant find any that...

this is how far i got i seriously need help char c(int k) { assert (k >= 0 && k <= 15); if (k < 10) return char(k + '0'); return char(k - 10 + 'a'); } string s(int n) { if (n == 0) return string(1,'0'); string s; while (n > 0) { s...

example... int a; char b[3]='123'; //(I dunno if this is even possible but the fact is I have a char array containing a many digits number) a=b; how do I do this?

For example in c: char str [] ="10000"; int n =str [3]; n=n-48; n=n+3; str [3] =n; This one is not working. Why?

I am making a code for the gps to send the lat and lon to another arduino via transmitter and receiver. however the virtualwire only sends char and not long int or float. how do I ...show more

im using an arduino uno. Im making a project about sending a long int data by using a transmitter and im using the virtualwire for it. virtualwire can only send chars and nothing ...show more