ASCII string to integer
https://pythontutor.com/render.html#mode=display
Python Tutor code visualizer: Visualize code in Python, JavaScript, C, C++, and Java
Please wait ... your code is running (up to 10 seconds) Write code in Python 3.11 [newest version, latest features not tested yet] Python 3.6 [reliable stable version, select 3.11 for newest] Java C (C17 + GNU extensions) C++ (C++20 + GNU extensions) JavaS
pythontutor.com
ex)1
#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main()
{
char *str1 = "1234";
int n1;
n1 = atoi(str1);
printf("%d\n",n1);
return 0;
}
ex2)
1234e -> 1234
1234?123 -> 1234
1234? -> 1234
e1234 -> 0
?1234 -> 1234
qwer -> 0
?$% -> 0
---> 숫자가 아니면 0을 반환
'dev > C' 카테고리의 다른 글
[C] other - 1 (0) | 2024.05.29 |
---|---|
[C] 16진수를 문자열로 출력하기 (0) | 2024.05.29 |
[C] function - strrchr() (0) | 2024.05.29 |
[C] function - strtok() (0) | 2024.05.29 |
[C] string - 4 (0) | 2024.05.28 |