C conver char number to int code example
Example 1: turn a char into an int in c
int x = character - '0';
Example 2: c convert char to int
int i = (int)(c - '0');
Example 3: char to int in c
strcpy(str, "98993489");
val = atoi(str);
printf("String value = %s, Int value = %d\n", str, val);