char to int c code example

Example 1: string to int c

atoi(str) is unsafe

This is the prefered method:
(int)strtol(str, (char **)NULL, 10)

Example 2: char to int c++

int x = (int)character - 48;

Example 3: turn a char into an int in c

int x = character - '0';

Example 4: int to char in c

c = i +'0';

Example 5: char* to int in cpp

int x = std::stoi("42")

Example 6: c convert char to int

int i = (int)(c - '0');